date update

.github/workflows/build.yml

@@ -71,6 +71,8 @@ jobs:
                       chip: esp32s3
                     - name: ttgo_t_beam_s3_SUPREME_v3
                       chip: esp32s3
+                    - name: ttgo-t-beam-1W
+                      chip: esp32s3
                     - name: ESP32_DIY_LoRa_A7670_SX1278
                       chip: esp32
                     - name: ESP32_DIY_LoRa_A7670_915_SX1276

README.md

@@ -37,7 +37,7 @@ ____________________________________________________
 
 - TTGO Lilygo LoRa32 LoRa32 V2.1 (V1.6 is the same) and T3S3 V1.2.
 
-- TTGO T-Beam V1.0 , V1.1, V1.2 (also variations with SX1262 and SX1268 LoRa Modules) and Supreme V3.
+- TTGO T-Beam V1.0 , V1.1, V1.2 (also variations with SX1262 and SX1268 LoRa Modules), Supreme V3 and T-Beam 1W.
 
 - T-Deck Plus (and also regular T-Deck with/without GPS).
 
@@ -64,6 +64,8 @@ ____________________________________________________
 <br />
 
 # Timeline (Versions):
+- 2026-10-14 T-Beam 1W board added (with fan control and Tx over-temperature protection).
+- 2026-10-05 Fix for stored XSS in received packets, Wifi warning with bad password, date on Rx packets, mDNS kiss-tnc for phone apps, APRSPacketLib V1.0.10 update.
 - 2026-09-30 GPS baud rate auto-detection, CAD timeout (packet dropped after 10s of busy channel)
 - 2026-09-23 APRSPacketLib V1.0.7 update and many code cleaning with this.
 - 2026-09-17 Real APRS Symbols added to map and TNC2 output as a posibility in TNC mode.

common_settings.ini

@@ -34,10 +34,10 @@ lib_deps =
 	bblanchon/ArduinoJson @ 7.4.3
 	jgromes/RadioLib @ 7.6.0
 	knolleary/PubSubClient @ 2.8
-	ESP32Async/AsyncTCP @ 3.4.10
-	ESP32Async/ESPAsyncWebServer @ 3.11.1
-	mikalhart/TinyGPSPlus @ 1.0.3
-	richonguzman/APRSPacketLib @ 1.0.7
+	ESP32Async/AsyncTCP @ 3.5.0
+	ESP32Async/ESPAsyncWebServer @ 3.12.1
+	mikalhart/TinyGPSPlus @ 1.1.0
+	richonguzman/APRSPacketLib @ 1.0.10
 display_libs =
 	adafruit/Adafruit GFX Library @ 1.12.6
 	adafruit/Adafruit SSD1306 @ 2.5.17

data/igate_conf.json

@@ -27,6 +27,7 @@
         "active": false,
         "messagesToRF": false,
         "objectsToRF": false,
+        "is2Metadata": false,
         "server": "rotate.aprs2.net",
         "passcode": "XYZVW",
         "port": 14580,
@@ -47,8 +48,8 @@
         "rxSignalBandwidth": 125000,
         "txActive": false,
         "txFreq": 433775000,
-        "txSpreadingFactor": 9,
-        "txCodingRate4": 7,
+        "txSpreadingFactor": 12,
+        "txCodingRate4": 5,
         "txSignalBandwidth": 125000,
         "power": 20,
         "cadActive": true

data_embed/index.html

@@ -937,6 +937,22 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                             >
                                         </div>
                                     </div>
+                                    <div class="col-6">
+                                        <div class="form-check form-switch">
+                                            <input
+                                                type="checkbox"
+                                                name="aprs_is.is2Metadata"
+                                                id="aprs_is.is2Metadata"
+                                                class="form-check-input"
+                                            />
+                                            <label
+                                                for="aprs_is.is2Metadata"
+                                                class="form-label"
+                                                >Send IS2 Metadata
+                                                (RSSI/SNR) to APRS-IS</label
+                                            >
+                                        </div>
+                                    </div>
                                     <div class="col-8">
                                         <label
                                             for="aprs_is.server"
@@ -1313,10 +1329,10 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                             <option value="6">SF6</option>
                                             <option value="7">SF7</option>
                                             <option value="8">SF8</option>
-                                            <option value="9" selected>SF9</option>
+                                            <option value="9">SF9</option>
                                             <option value="10">SF10</option>
                                             <option value="11">SF11</option>
-                                            <option value="12">SF12 - Highest sensitivity</option>
+                                            <option value="12" selected>SF12 - Highest sensitivity</option>
                                         </select>
                                     </div>
                                     <div class="col-6 mt-3">
@@ -1335,10 +1351,10 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                             <option value="6">SF6</option>
                                             <option value="7">SF7</option>
                                             <option value="8">SF8</option>
-                                            <option value="9" selected>SF9</option>
+                                            <option value="9">SF9</option>
                                             <option value="10">SF10</option>
                                             <option value="11">SF11</option>
-                                            <option value="12">SF12 - Highest sensitivity</option>
+                                            <option value="12" selected>SF12 - Highest sensitivity</option>
                                         </select>
                                     </div>
                                     <div class="col-6 mt-3">
@@ -1353,9 +1369,9 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                             id="lora.rxCodingRate4"
                                             required=""
                                         >
-                                            <option value="5">5</option>
+                                            <option value="5" selected>5</option>
                                             <option value="6">6</option>
-                                            <option value="7" selected>7</option>
+                                            <option value="7">7</option>
                                             <option value="8">8</option>
                                         </select>
                                     </div>
@@ -1371,9 +1387,9 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                             id="lora.txCodingRate4"
                                             required=""
                                         >
-                                            <option value="5">5</option>
+                                            <option value="5" selected>5</option>
                                             <option value="6">6</option>
-                                            <option value="7" selected>7</option>
+                                            <option value="7">7</option>
                                             <option value="8">8</option>
                                         </select>
                                     </div>
@@ -1421,7 +1437,7 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                         <label
                                             for="lora.power"
                                             class="form-label">
-                                            Power
+                                            Power <small>(SX127X Max 20dBm / SX126X Max 22dBm)</small>
                                         </label>
                                         <div class="input-group">
                                             <input
@@ -1429,8 +1445,8 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                                 name="lora.power"
                                                 id="lora.power"
                                                 placeholder="20"
-                                                min="0"
-                                                max="20"
+                                                min="2"
+                                                max="22"
                                                 step="1"
                                                 class="form-control"
                                                 required=""
@@ -2467,7 +2483,7 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
     if(window.fetchReceivedPackets)window.fetchReceivedPackets();
   });
   var bi=document.getElementById("buildInfo");
-  if(bi){var h=bi.innerHTML; if(/Version date/i.test(h)){h=h.replace(/(<br\s*\/?>)[\s\S]*?(?=Version date)/i,"$1");bi.innerHTML="Board / Environment = "+h;}}
+  if(bi){var h=bi.innerHTML; if(/Version date/i.test(h)){h=h.replace(/(<br\s*\/?>)[\s\S]*?(?=Version: )/i,"$1");bi.innerHTML="Board / Environment = "+h;}}
   if(window.loadReceivedPackets){var _o=window.loadReceivedPackets;window.loadReceivedPackets=function(p){if(p&&p.slice){p=p.slice().reverse();}return _o(p);};}
 })();
 </script>

data_embed/script.js

@@ -103,6 +103,7 @@ function loadSettings(settings) {
     document.getElementById("aprs_is.active").checked                   = settings.aprs_is.active;
     document.getElementById("aprs_is.messagesToRF").checked             = settings.aprs_is.messagesToRF;
     document.getElementById("aprs_is.objectsToRF").checked              = settings.aprs_is.objectsToRF;
+    document.getElementById("aprs_is.is2Metadata").checked              = settings.aprs_is.is2Metadata;
     document.getElementById("aprs_is.server").value                     = settings.aprs_is.server;
     document.getElementById("aprs_is.port").value                       = settings.aprs_is.port;
     document.getElementById("aprs_is.filter").value                     = settings.aprs_is.filter;
@@ -110,6 +111,7 @@ function loadSettings(settings) {
     APRSISCheckbox.checked      = settings.aprs_is.active;
     APRSISGateMessages.disabled = !APRSISCheckbox.checked;
     APRSISGateObjects.disabled  = !APRSISCheckbox.checked;
+    APRSISMetadata.disabled     = !APRSISCheckbox.checked;
     APRSISServer.disabled       = !APRSISCheckbox.checked;
     APRSISPort.disabled         = !APRSISCheckbox.checked;
     APRSISPasscode.disabled     = !APRSISCheckbox.checked;
@@ -350,6 +352,7 @@ StatusCheckbox.addEventListener("change", function() {
 const APRSISCheckbox            = document.querySelector('input[name="aprs_is.active"]');
 const APRSISGateMessages        = document.querySelector('input[name="aprs_is.messagesToRF"]');
 const APRSISGateObjects         = document.querySelector('input[name="aprs_is.objectsToRF"]');
+const APRSISMetadata            = document.querySelector('input[name="aprs_is.is2Metadata"]');
 const APRSISServer              = document.querySelector('input[name="aprs_is.server"]');
 const APRSISPort                = document.querySelector('input[name="aprs_is.port"]');
 const APRSISPasscode            = document.querySelector('input[name="aprs_is.passcode"]');
@@ -357,6 +360,7 @@ const APRSISFilter              = document.querySelector('input[name="aprs_is.fi
 APRSISCheckbox.addEventListener("change", function() {
     APRSISGateMessages.disabled = !this.checked;
     APRSISGateObjects.disabled  = !this.checked;
+    APRSISMetadata.disabled     = !this.checked;
     APRSISServer.disabled       = !this.checked;
     APRSISPort.disabled         = !this.checked;
     APRSISPasscode.disabled     = !this.checked;

include/configuration.h

@@ -65,6 +65,7 @@ public:
     String  filter;
     bool    messagesToRF;
     bool    objectsToRF;
+    bool    is2Metadata;
 };
 
 class DIGI {

include/gps_utils.h

@@ -24,7 +24,6 @@
 
 namespace GPS_Utils {
 
-    String  getiGateLoRaBeaconPacket();
     void    generateBeacons();
     String  buildDistanceAndComment(float latitude, float longitude, const String& comment);
 

include/lora_utils.h

@@ -24,6 +24,7 @@
 
 namespace LoRa_Utils {
 
+    int     validPower(int requested);
     void    setup();
     void    sendNewPacket(const String& newPacket);
     String  receivePacketFromSleep();

include/query_utils.h

@@ -24,7 +24,8 @@
 
 namespace QUERY_Utils {
 
-    String process(const String& query, const String& station, bool queryFromAPRSIS, bool thirdParty);
+    bool    isQuery(const String& message);
+    String  process(const String& query, const String& station, bool queryFromAPRSIS, bool thirdParty);
 
 }
 

include/thermal_utils.h

@@ -0,0 +1,41 @@
+/* Copyright (C) 2026 Ricardo Guzman - CA2RXU
+ *
+ * This file is part of LoRa APRS iGate.
+ *
+ * LoRa APRS iGate is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LoRa APRS iGate is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LoRa APRS iGate. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+// Fan / thermal control adapted from KJ7NYE's LoRa_FieldOps_APRS_Tracker (GPLv3)
+
+#ifndef THERMAL_UTILS_H_
+#define THERMAL_UTILS_H_
+
+#include "board_pinout.h"
+
+#ifdef FAN_CTRL_PIN
+
+namespace THERMAL_Utils {
+
+    void    setup();
+    void    monitor();
+    void    onTxStart();
+    void    onTxEnd();
+    void    turnOffFan();
+    bool    isTxBlocked();
+
+}
+
+#endif
+
+#endif

include/utils.h

@@ -40,6 +40,7 @@ namespace Utils {
     void    checkBeaconInterval();
     void    checkDisplayInterval();
     void    validateFreqs();
+    String  padForDisplay(const String& text);
     void    updateLoRaPacketDisplayInfo(APRSPacket& aprsPacket, const uint8_t packetType);
     void    updateAPRSISPacketDisplayInfo(const String& packet);
     void    print(const String& text);

src/A7670_utils.cpp

@@ -197,6 +197,7 @@
         }
 
         void uploadToAPRSIS(const String& packet) {
+            if (packet == "") return;               // never send an empty line to APRS-IS
             beaconBytesSent = checkATResponse("AT+CIPSEND=0," + String(packet.length()+1));
             delay(2000);
             if (beaconBytesSent) {

src/LoRa_APRS_iGate.cpp

@@ -52,6 +52,7 @@ ___________________________________________________________________*/
 #include "syslog_utils.h"
 #include "power_utils.h"
 #include "sleep_utils.h"
+#include "thermal_utils.h"
 #include "mqtt_utils.h"
 #include "lora_utils.h"
 #include "wifi_utils.h"
@@ -68,8 +69,8 @@ ___________________________________________________________________*/
 #endif
 
 
-String              versionDate             = "2026-10-02";
-String              versionNumber           = "4.0.2";
+String              versionDate             = "2026-10-29";
+String              versionNumber           = "4.0.5";
 Configuration       Config;
 WiFiClient          aprsIsClient;
 WiFiClient          mqttClient;
@@ -108,6 +109,9 @@ void setup() {
     }
     networkManager->setHostName("iGATE-" + Config.callsign);
     POWER_Utils::setup();
+    #ifdef FAN_CTRL_PIN
+        THERMAL_Utils::setup();
+    #endif
     Utils::setupDisplay();
     LoRa_Utils::setup();
     Utils::validateFreqs();
@@ -135,6 +139,9 @@ void loop() {
         SLEEP_Utils::checkWakeUpFlag();
         Utils::checkBeaconInterval();
         STATION_Utils::processOutputPacketBufferUltraEcoMode();
+        #ifdef FAN_CTRL_PIN
+            THERMAL_Utils::monitor();
+        #endif
         Utils::checkSleepByLowBatteryVoltage(1);
         SLEEP_Utils::startSleeping();
     } else {
@@ -222,6 +229,9 @@ void loop() {
             displayShow(firstLine, secondLine, thirdLine, fourthLine, fifthLine, sixthLine, seventhLine, 0);
         #endif
 
+        #ifdef FAN_CTRL_PIN
+            THERMAL_Utils::monitor();
+        #endif
         Utils::checkRebootTime();
         Utils::checkSleepByLowBatteryVoltage(1);
     }

src/aprs_is_utils.cpp

@@ -60,6 +60,7 @@ uint32_t    lastServerCheck = 0;
 namespace APRS_IS_Utils {
 
     void upload(const String& line) {
+        if (line == "") return;                     // never send an empty line to APRS-IS
         aprsIsClient.print(line + "\r\n");
     }
 
@@ -151,42 +152,36 @@ namespace APRS_IS_Utils {
         return packetToUpload;
     }
 
+    String buildIS2Meta() {
+        static String fixedTail;                    // rx_modem + rx_bitrate + rx_frequency: RX config doesn't change at runtime
+        if (fixedTail == "") {
+            // LoRa bit rate = SF * (BW / 2^SF) * 4/CR   (CR = denominator: 5..8)
+            uint32_t bitrate = (uint32_t)(Config.loramodule.rxSpreadingFactor
+                               * ((float)Config.loramodule.rxSignalBandwidth / (1 << Config.loramodule.rxSpreadingFactor))
+                               * (4.0 / Config.loramodule.rxCodingRate4));
+            fixedTail = " rx_modem=2 rx_bitrate=" + String(bitrate) + " rx_frequency=" + String(Config.loramodule.rxFreq);
+        }
+        return "#is2-meta rx_rssi_dbm=" + String(lastAprsPacket.rssi) + " rx_snr_db=" + String(lastAprsPacket.snr, 1) + fixedTail;
+    }
+
     bool processReceivedLoRaMessage(const String& sender, const String& packet) {
         String receivedMessage;
         int leftCurlyBraceIndex = packet.indexOf("{");
         int colonIndex          = packet.indexOf(":");
         if (leftCurlyBraceIndex > 0) {     // ack?
-            String ackMessage = "ack";
-            ackMessage.concat(packet.substring(leftCurlyBraceIndex + 1));
-            ackMessage.trim();
-            //Serial.println(ackMessage);
-
-            String addToBuffer = Config.callsign;
-            addToBuffer += ">APLRG1";
-            if (lastAprsPacket.header == "") addToBuffer += ",RFONLY";
-            if (Config.beacon.path != "") {
-                addToBuffer += ",";
-                addToBuffer += Config.beacon.path;
-            }
-            addToBuffer += "::";
-
-            String processedSender = sender;
-            for (int i = sender.length(); i < 9; i++) {
-                processedSender += ' ';
-            }
-            addToBuffer += processedSender;
-
-            addToBuffer += ":";
-            addToBuffer += ackMessage;
-            STATION_Utils::addToOutputPacketBuffer(addToBuffer);
+            String ackCallsign  = (Config.tacticalCallsign == "") ? Config.callsign : Config.tacticalCallsign;     // ack from the callsign the message was addressed to
+            String ackPath      = (lastAprsPacket.header == "") ? "RFONLY," + Config.beacon.path : Config.beacon.path;
+            String ackPacket    = APRSPacketLib::generateAckPacket(ackCallsign, "APLRG1", ackPath, sender, packet);
+            if (ackPacket != "") STATION_Utils::addToOutputPacketBuffer(ackPacket);
             receivedMessage = packet.substring(colonIndex + 1, leftCurlyBraceIndex);
         } else {
             receivedMessage = packet.substring(colonIndex + 1);
         }
-        if (receivedMessage.indexOf("?") == 0) {
+        if (QUERY_Utils::isQuery(receivedMessage)) {
             if (!Config.display.alwaysOn && Config.display.timeout != 0) displayToggle(true);
 
-            STATION_Utils::addToOutputPacketBuffer(QUERY_Utils::process(receivedMessage, sender, false, lastAprsPacket.header != ""));
+            String queryAnswer = QUERY_Utils::process(receivedMessage, sender, false, lastAprsPacket.header != "");
+            if (queryAnswer != "") STATION_Utils::addToOutputPacketBuffer(queryAnswer);     // unknown query: no answer
             lastScreenOn = millis();
             displayShow(firstLine, secondLine, thirdLine, fourthLine, fifthLine, "Callsign = " + sender, "TYPE --> QUERY", 0);
             return true;
@@ -219,7 +214,11 @@ namespace APRS_IS_Utils {
                             A7670_Utils::uploadToAPRSIS(aprsPacketToUpload);
                             stationBeacon = false;
                         #else
-                            upload(aprsPacketToUpload);
+                            if (Config.aprs_is.is2Metadata && aprsPacketToUpload != "") {
+                                upload(buildIS2Meta() + "\r\n" + aprsPacketToUpload);     // IS2PLAIN: meta line right before the packet, same write
+                            } else {
+                                upload(aprsPacketToUpload);
+                            }
                         #endif
                         Utils::println("(Uploaded to APRS-IS)");
                         displayShow(firstLine, secondLine, thirdLine, fourthLine, fifthLine, sixthLine, seventhLine, 0);
@@ -274,21 +273,9 @@ namespace APRS_IS_Utils {
     }
 
     void processAckMessage(const String& sender, const String& message) {
-        String ackPacket = Config.callsign;
-        ackPacket += ">APLRG1,TCPIP,qAC::";
-
-        String senderCallsign = sender;
-        for (int i = sender.length(); i < 9; i++) {
-            senderCallsign += ' ';
-        }
-        ackPacket += senderCallsign;
-        ackPacket += ":";
-
-        String ackMessage = "ack";
-        ackMessage += message.substring(message.indexOf("{") + 1);
-        ackMessage.trim();
-        ackPacket += ackMessage;
-
+        String ackPacket = APRSPacketLib::generateAckPacket(Config.callsign, "APLRG1", "", sender, message);
+        if (ackPacket == "") return;
+        ackPacket = APRSPacketLib::generateAPRSISPacket(ackPacket);
         #ifdef HAS_A7670
             A7670_Utils::uploadToAPRSIS(ackPacket);
         #else
@@ -314,7 +301,7 @@ namespace APRS_IS_Utils {
                 if (Config.digi.backupDigiMode) lastServerCheck = currentTime;
             } else {
                 int doubleColonIndex = packet.indexOf("::");
-                if (Config.aprs_is.messagesToRF && doubleColonIndex > 0) {
+                if (doubleColonIndex > 0) {     // messages for this station are always answered; messagesToRF only gates forwarding to RF
                     String Sender = packet.substring(0, packet.indexOf(">"));
                     const String& AddresseeAndMessage = packet.substring(doubleColonIndex + 2);
                     int colonIndex = AddresseeAndMessage.indexOf(":");
@@ -329,7 +316,7 @@ namespace APRS_IS_Utils {
                         } else {
                             receivedMessage = AddresseeAndMessage.substring(colonIndex + 1);
                         }
-                        if (receivedMessage.indexOf("?") == 0) {
+                        if (QUERY_Utils::isQuery(receivedMessage)) {
                             Utils::println("Rx Query (APRS-IS)  : " + packet);
                             String queryAnswer = QUERY_Utils::process(receivedMessage, Sender, true, false);
                             //Serial.println("---> QUERY Answer : " + queryAnswer.substring(0,queryAnswer.indexOf("\n")));
@@ -337,24 +324,23 @@ namespace APRS_IS_Utils {
                                 displayToggle(true);
                             }
                             lastScreenOn = currentTime;
-                            #ifdef HAS_A7670
-                                A7670_Utils::uploadToAPRSIS(queryAnswer);
-                            #else
-                                upload(queryAnswer);
-                            #endif
-                            SYSLOG_Utils::logAPRSISTx(queryAnswer);
-                            fifthLine = "APRS-IS ----> APRS-IS";
-                            sixthLine = Config.callsign;
-                            for (int j = sixthLine.length();j < 9;j++) {
-                                sixthLine += " ";
+                            if (queryAnswer != "") {                                // unknown query: no answer
+                                #ifdef HAS_A7670
+                                    A7670_Utils::uploadToAPRSIS(queryAnswer);
+                                #else
+                                    upload(queryAnswer);
+                                #endif
+                                SYSLOG_Utils::logAPRSISTx(queryAnswer);
                             }
+                            fifthLine = "APRS-IS ----> APRS-IS";
+                            sixthLine = Utils::padForDisplay(Config.callsign);
                             sixthLine += "> ";
                             sixthLine += Sender;
                             seventhLine = "QUERY = ";
                             seventhLine += receivedMessage;
                         }
                         displayShow(firstLine, secondLine, thirdLine, fourthLine, fifthLine, sixthLine, seventhLine, 0);
-                    } else {
+                    } else if (Config.aprs_is.messagesToRF) {
                         Utils::print("Rx Message (APRS-IS): " + packet);
                         if (STATION_Utils::wasHeard(Addressee) && packet.indexOf("EQNS.") == -1 && packet.indexOf("UNIT.") == -1 && packet.indexOf("PARM.") == -1) {
                             STATION_Utils::addToOutputPacketBuffer(buildPacketToTx(packet, 1));

src/configuration.cpp

@@ -63,6 +63,7 @@ bool Configuration::writeFile() {
         data["aprs_is"]["filter"]                   = aprs_is.filter;
         data["aprs_is"]["messagesToRF"]             = aprs_is.messagesToRF;
         data["aprs_is"]["objectsToRF"]              = aprs_is.objectsToRF;
+        data["aprs_is"]["is2Metadata"]              = aprs_is.is2Metadata;
 
         data["beacon"]["comment"]                   = beacon.comment;
         data["beacon"]["rfCommentEveryXBeacons"]    = beacon.rfCommentEveryXBeacons;
@@ -238,7 +239,8 @@ bool Configuration::readFile() {
             data["aprs_is"]["port"].isNull() ||
             data["aprs_is"]["filter"].isNull() ||
             data["aprs_is"]["messagesToRF"].isNull() ||
-            data["aprs_is"]["objectsToRF"].isNull()) needsRewrite = true;
+            data["aprs_is"]["objectsToRF"].isNull() ||
+            data["aprs_is"]["is2Metadata"].isNull()) needsRewrite = true;
         aprs_is.active                  = data["aprs_is"]["active"] | false;
         aprs_is.passcode                = data["aprs_is"]["passcode"] | "XYZWV";
         aprs_is.server                  = data["aprs_is"]["server"] | "rotate.aprs2.net";
@@ -246,6 +248,7 @@ bool Configuration::readFile() {
         aprs_is.filter                  = data["aprs_is"]["filter"] | "m/10";
         aprs_is.messagesToRF            = data["aprs_is"]["messagesToRF"] | false;
         aprs_is.objectsToRF             = data["aprs_is"]["objectsToRF"] | false;
+        aprs_is.is2Metadata             = data["aprs_is"]["is2Metadata"] | false;
 
         if (data["beacon"]["latitude"].isNull() ||
             data["beacon"]["longitude"].isNull() ||
@@ -473,6 +476,7 @@ void Configuration::setDefaultValues() {
     aprs_is.filter                  = "m/10";
     aprs_is.messagesToRF            = false;
     aprs_is.objectsToRF             = false;
+    aprs_is.is2Metadata             = false;
 
     beacon.comment                  = "LoRa APRS";
     beacon.rfCommentEveryXBeacons   = 1;

src/digi_utils.cpp

@@ -31,7 +31,6 @@
 extern Configuration    Config;
 extern uint32_t         lastScreenOn;
 extern APRSPacket       lastAprsPacket;
-extern String           iGateBeaconPacket;
 extern String           firstLine;
 extern String           secondLine;
 extern String           thirdLine;

src/gps_utils.cpp

@@ -40,7 +40,7 @@ extern Configuration    Config;
 extern HardwareSerial   gpsSerial;
 extern TinyGPSPlus      gps;
 extern bool             stationCallsignIsValid;
-String                  distance, iGateBeaconPacket, iGateLoRaBeaconPacket;
+String                  distance, iGateAPRSISBeaconPacket, iGateLoRaBeaconPacket;
 
 
 namespace GPS_Utils {
@@ -115,13 +115,8 @@ namespace GPS_Utils {
     }
 #endif
 
-    String getiGateLoRaBeaconPacket() {
-        return iGateLoRaBeaconPacket;
-    }
-
     void generateBeacons() {
-        String beaconPacket = APRSPacketLib::generateBasePacket(Config.callsign, "APLRG1", Config.beacon.path);
-        String encodedGPS   = APRSPacketLib::encodeGPSIntoBase91(Config.beacon.latitude, Config.beacon.longitude, 0, 0, Config.beacon.symbol, false, 0, true, Config.beacon.ambiguityLevel);
+        String beaconCallsign = Config.callsign;
 
         if (Config.callsign.indexOf("NOCALL-10") != 0) {
             if (!stationCallsignIsValid) {
@@ -133,7 +128,7 @@ namespace GPS_Utils {
                 Config.digi.mode            = 0;
                 Config.digi.backupDigiMode  = false;
             } else if (stationCallsignIsValid && Config.tacticalCallsign != "") {
-                beaconPacket = APRSPacketLib::generateBasePacket(Config.tacticalCallsign, "APLRG1", Config.beacon.path);
+                beaconCallsign              = Config.tacticalCallsign;
                 Config.aprs_is.active       = false;
                 Config.beacon.sendViaAPRSIS = false;
                 Config.digi.backupDigiMode  = false;
@@ -143,15 +138,10 @@ namespace GPS_Utils {
             Config.beacon.sendViaRF     = false;
         }
 
-        iGateBeaconPacket       = beaconPacket;
-        iGateBeaconPacket       += ",qAC:=";
-        iGateBeaconPacket       += Config.beacon.overlay;
-        iGateBeaconPacket       += encodedGPS;
+        String encodedGPS       = APRSPacketLib::encodeGPSIntoBase91(Config.beacon.latitude, Config.beacon.longitude, 0, 0, Config.beacon.symbol, false, 0, true, Config.beacon.ambiguityLevel);
 
-        iGateLoRaBeaconPacket   = beaconPacket;
-        iGateLoRaBeaconPacket   += ":=";
-        iGateLoRaBeaconPacket   += Config.beacon.overlay;
-        iGateLoRaBeaconPacket   += encodedGPS;
+        iGateLoRaBeaconPacket   = APRSPacketLib::generateBase91GPSBeaconPacket(beaconCallsign, "APLRG1", Config.beacon.path, Config.beacon.overlay, encodedGPS);
+        iGateAPRSISBeaconPacket = APRSPacketLib::generateAPRSISPacket(iGateLoRaBeaconPacket);
     }
 
     double calculateDistanceTo(double latitude, double longitude) {

src/lora_utils.cpp

@@ -28,6 +28,7 @@
 #include "ntp_utils.h"
 #include "display.h"
 #include "utils.h"
+#include "thermal_utils.h"
 
 
 extern Configuration    Config;
@@ -69,6 +70,18 @@ int rssi, freqError;
 float snr;
 APRSPacket lastAprsPacket;
 
+#if defined(HAS_SX1278) || defined(HAS_SX1276)
+    #define CHIP_MIN_POWER  2       // PA_BOOST (below 2 RadioLib switches to RFO, not wired on most modules)
+    #define CHIP_MAX_POWER  20
+#else                               // SX1262 / SX1268 / LLCC68
+    #define CHIP_MIN_POWER  -9
+    #define CHIP_MAX_POWER  22
+#endif
+
+#ifndef RADIO_MAX_POWER             // optional per board in board_pinout.h (e.g. 1W PA modules)
+    #define RADIO_MAX_POWER CHIP_MAX_POWER
+#endif
+
 
 namespace LoRa_Utils {
 
@@ -85,10 +98,21 @@ namespace LoRa_Utils {
         operationDone = true;
     }
 
+    int validPower(int requested) {
+        const int maxPower = (RADIO_MAX_POWER < CHIP_MAX_POWER) ? RADIO_MAX_POWER : CHIP_MAX_POWER;
+        int power = constrain(requested, CHIP_MIN_POWER, maxPower);
+        #if defined(HAS_SX1278) || defined(HAS_SX1276)
+            if (power > 17 && power < 20) power = 17;   // SX127x PA_BOOST: only 2-17 or 20
+        #endif
+        return power;
+    }
+
     void setup() {
+        #ifdef RADIO_VCC_PIN        // LoRa module power switch (QRP Labs LightGateway, T-Beam 1W)
+            pinMode(RADIO_VCC_PIN, OUTPUT);
+            digitalWrite(RADIO_VCC_PIN, HIGH);
+        #endif
         #if defined (LIGHTGATEWAY_1_0) || defined(LIGHTGATEWAY_PLUS_1_0)
-            pinMode(RADIO_VCC_PIN,OUTPUT);
-            digitalWrite(RADIO_VCC_PIN,HIGH);
             loraSPI.begin(RADIO_SCLK_PIN, RADIO_MISO_PIN, RADIO_MOSI_PIN, RADIO_CS_PIN);
         #else
             SPI.begin(RADIO_SCLK_PIN, RADIO_MISO_PIN, RADIO_MOSI_PIN);
@@ -103,6 +127,8 @@ namespace LoRa_Utils {
         #endif
         #if (defined(RADIO_RXEN) && defined(RADIO_TXEN))    // before begin() so RF switch is driven from start (Ebyte E22/E32 1W, QRP Labs LightGateway)
             radio.setRfSwitchPins(RADIO_RXEN, RADIO_TXEN);
+        #elif defined(RADIO_RXEN)                           // T-Beam 1W: RXEN = LNA only, DIO2 drives the PA
+            radio.setRfSwitchPins(RADIO_RXEN, RADIOLIB_NC);
         #endif
         int state = radio.begin(freq);
         if (state != RADIOLIB_ERR_NONE) {
@@ -131,21 +157,17 @@ namespace LoRa_Utils {
         radio.setBandwidth(signalBandwidth);
         radio.setCRC(true);
 
-        /*#ifdef SX126X_DIO2_AS_RF_SWITCH
-        radio.setRfSwitchPins(RADIO_RXEN, RADIOLIB_NC);
-        radio.setDio2AsRfSwitch(true);
-        #endif*/
-
-        #ifdef HAS_1W_LORA  // Ebyte E22 400M30S (SX1268) / 900M30S (SX1262) / Ebyte E220 400M30S (LLCC68)
-            state = radio.setOutputPower(Config.loramodule.power); // max value 20dB for 1W modules as they have Low Noise Amp
-            radio.setCurrentLimit(140); // to be validated (100 , 120, 140)?
-        #endif
+        int power = validPower(Config.loramodule.power);
+        if (power != Config.loramodule.power) {
+            Utils::println("LoRa power adjusted: " + String(Config.loramodule.power) + " -> " + String(power));
+        }
+        state = radio.setOutputPower(power);
+        if (state != RADIOLIB_ERR_NONE) {
+            Utils::println("LoRa setOutputPower failed! State: " + String(state));     // log and keep going
+        }
         #if defined(HAS_SX1278) || defined(HAS_SX1276)
-            state = radio.setOutputPower(Config.loramodule.power); // max value 20dB for 400M30S as it has Low Noise Amp
-            radio.setCurrentLimit(100); // to be validated (80 , 100)?
-        #endif
-        #if (defined(HAS_SX1268) || defined(HAS_SX1262)) && !defined(HAS_1W_LORA)
-            state = radio.setOutputPower(Config.loramodule.power + 2); // values available: 10, 17, 22 --> if 20 in tracker_conf.json it will be updated to 22.
+            radio.setCurrentLimit(120); // OCP ceiling for SX127x: ~120mA needed at +20dBm (not a fixed consumption)
+        #else                           // SX1262 / SX1268 / LLCC68 (also 1W Ebyte E22 / E220 modules)
             radio.setCurrentLimit(140);
         #endif
 
@@ -156,16 +178,15 @@ namespace LoRa_Utils {
         #if defined(HAS_TCXO) && !defined(HAS_1W_LORA)
             radio.setDio2AsRfSwitch();
         #endif
+        #if defined(TTGO_T_BEAM_1W)
+            radio.setDio2AsRfSwitch(true);                          // DIO2 drives the 1W PA
+            radio.setPaRampTime(RADIOLIB_SX126X_PA_RAMP_800U);      // PA needs >800us to settle (default 200us)
+        #endif
         #ifdef HAS_TCXO
             radio.setTCXO(1.8);
         #endif
 
-        if (state == RADIOLIB_ERR_NONE) {
-            Utils::println("init : LoRa Module    ...     done!");
-        } else {
-            Utils::println("Starting LoRa failed! State: " + String(state));
-            while (true);
-        }
+        Utils::println("init : LoRa Module    ...     done!");
     }
 
     void changeFreqTx() {
@@ -222,6 +243,12 @@ namespace LoRa_Utils {
 
     void sendNewPacket(const String& newPacket) {
         if (!Config.loramodule.txActive) return;
+        #ifdef FAN_CTRL_PIN
+            if (THERMAL_Utils::isTxBlocked()) {
+                Utils::println("Thermal: Tx blocked (over-temperature), packet dropped: " + newPacket);
+                return;
+            }
+        #endif
 
         if (Config.loramodule.txFreq != Config.loramodule.rxFreq) {
             if (!packetIsBeacon || (packetIsBeacon && Config.beacon.beaconFreq == 1)) {
@@ -245,7 +272,13 @@ namespace LoRa_Utils {
         }
 
         if (!cadDropped) {
+            #ifdef FAN_CTRL_PIN
+                THERMAL_Utils::onTxStart();
+            #endif
             int state = radio.transmit("\x3c\xff\x01" + newPacket);
+            #ifdef FAN_CTRL_PIN
+                THERMAL_Utils::onTxEnd();
+            #endif
             transmitFlag = true;
             if (state == RADIOLIB_ERR_NONE) {
                 if (Config.syslog.active && networkManager->isConnected()) {

src/power_utils.cpp

@@ -66,7 +66,7 @@ namespace POWER_Utils {
         }
 
         void vext_ctrl_OFF() {
-            digitalWrite(VEXT_CTRL_PIN, Config.digi.ecoMode == 1 ? VEXT_CTRL_ON_STATE : !VEXT_CTRL_ON_STATE);
+            digitalWrite(VEXT_CTRL_PIN, !VEXT_CTRL_ON_STATE);       // always off, regardless of ecoMode
         }
     #endif
 
@@ -111,9 +111,7 @@ namespace POWER_Utils {
                 PMU.enableALDO3();
             #endif
         #endif
-        #ifdef HELTEC_WIRELESS_TRACKER
-            adc_ctrl_ON();
-        #endif
+        // HELTEC_WIRELESS_TRACKER: GPS shares Vext (GPIO3) with the TFT, so it follows the display power (not controlled here)
         //gpsIsActive = true;
     }
 
@@ -129,9 +127,7 @@ namespace POWER_Utils {
                 PMU.disableALDO3();
             #endif
         #endif
-        #ifdef HELTEC_WIRELESS_TRACKER
-            adc_ctrl_OFF();
-        #endif
+        // HELTEC_WIRELESS_TRACKER: GPS shares Vext with the TFT, turned off with it (see activateGPS)
         //gpsIsActive = false;
     }
 
@@ -199,7 +195,10 @@ namespace POWER_Utils {
                 PMU.setDC1Voltage(3300);
                 PMU.enableDC1();
                 #ifdef TTGO_T_Beam_S3_SUPREME_V3
-                    PMU.setALDO1Voltage(3300);
+                    PMU.setALDO1Voltage(3300);      // BME280, QMC6310, QMI8658, OLED
+                    PMU.enableALDO1();
+                    PMU.setALDO2Voltage(3300);      // sensors/OLED I2C + RTC PCF8563 (must stay on)
+                    PMU.enableALDO2();
                 #endif
                 PMU.setButtonBatteryChargeVoltage(3300);
                 PMU.enableButtonBatteryCharge();

src/query_utils.cpp

@@ -16,6 +16,7 @@
  * along with LoRa APRS iGate. If not, see <https://www.gnu.org/licenses/>.
  */
 
+#include <APRSPacketLib.h>
 #include "configuration.h"
 #include "battery_utils.h"
 #include "station_utils.h"
@@ -36,11 +37,17 @@ extern String                           versionNumber;
 
 namespace QUERY_Utils {
 
+    bool isQuery(const String& message) {   // "?..." queries, plus "HELP" (any case) without the "?"
+        String queryQuestion = message;
+        queryQuestion.toUpperCase();
+        return queryQuestion.startsWith("?") || queryQuestion == "HELP";
+    }
+
     String process(const String& query, const String& station, bool queryFromAPRSIS, bool thirdParty) {
         String answer;
         String queryQuestion = query;
         queryQuestion.toUpperCase();
-        if (queryQuestion == "?APRS?" || queryQuestion == "H" || queryQuestion == "HELP" || queryQuestion=="?") {
+        if (queryQuestion == "?APRS?" || queryQuestion == "?" || queryQuestion == "HELP") {
             answer.concat("?APRSV ?APRSP ?APRSL ?APRSSR ?EM=? ?TX=? "); // ?APRSH ?WHERE callsign
         } else if (queryQuestion == "?APRSV") {
             answer.concat("CA2RXU_LoRa_iGate v");
@@ -139,32 +146,15 @@ namespace QUERY_Utils {
 
         if (answer == "") return "";
 
-        String queryAnswer = (Config.tacticalCallsign == "" ? Config.callsign : Config.tacticalCallsign);
-        queryAnswer += ">APLRG1";
-        if (queryFromAPRSIS) {
-            queryAnswer += ",TCPIP,qAC";
-        } else {
-            if (!thirdParty) queryAnswer += ",RFONLY";
-            if (Config.beacon.path != "") {
-                queryAnswer += ",";
-                queryAnswer += Config.beacon.path;
-            }
-        }
-        queryAnswer += "::";
+        answer += " *";
+        answer += char(random(97, 123));
+        answer += char(random(97, 123));
+        answer += "*";
 
-        String processedStation = station;
-        for (int i = station.length(); i < 9; i++) {
-            processedStation += ' ';
-        }
-        queryAnswer += processedStation;
-        queryAnswer += ":";
-        queryAnswer += answer;
-
-        queryAnswer += " *";
-        queryAnswer += char(random(97, 123));
-        queryAnswer += char(random(97, 123));
-        queryAnswer += "*";
-        return queryAnswer;
+        String queryCallsign    = (Config.tacticalCallsign == "") ? Config.callsign : Config.tacticalCallsign;
+        String queryPath        = queryFromAPRSIS ? "" : (thirdParty ? Config.beacon.path : "RFONLY," + Config.beacon.path);
+        String queryAnswer      = APRSPacketLib::generateMessagePacket(queryCallsign, "APLRG1", queryPath, station, answer);
+        return queryFromAPRSIS ? APRSPacketLib::generateAPRSISPacket(queryAnswer) : queryAnswer;
     }
 
 }

src/sleep_utils.cpp

@@ -21,6 +21,7 @@
 #include "sleep_utils.h"
 #include "digi_utils.h"
 #include "lora_utils.h"
+#include "thermal_utils.h"
 
 
 extern  Configuration   Config;
@@ -75,6 +76,9 @@ namespace SLEEP_Utils {
             Serial.print("(Sleeping : "); Serial.print(timeToSleep); Serial.println("seconds)");
             delay(100);
             LoRa_Utils::wakeRadio();
+            #ifdef FAN_CTRL_PIN
+                THERMAL_Utils::turnOffFan();     // GPIOs keep their level in light sleep
+            #endif
             esp_light_sleep_start();
         }
     }

src/station_utils.cpp

@@ -234,6 +234,7 @@ namespace STATION_Utils {
     }
 
     void addToOutputPacketBuffer(const String& packet, bool flag) {
+        if (packet == "") return;                   // never queue an empty packet
         outputPacketBuffer.emplace_back(OutputPacketBuffer{packet, flag});
     }
 

src/telemetry_utils.cpp

@@ -71,8 +71,9 @@ namespace TELEMETRY_Utils {
     void sendBaseTelemetryPacket(const String& prefix, const std::vector<String>& values) {
         String packet           = prefix + joinWithCommas(values);
         String currentCallsign  = (Config.tacticalCallsign != "") ? Config.tacticalCallsign : Config.callsign;
+        String baseRFTelemetryPacket = APRSPacketLib::generateMessagePacket(currentCallsign, "APLRG1", Config.beacon.path, currentCallsign, packet);
         if (Config.beacon.sendViaAPRSIS) {
-            String baseAPRSISTelemetryPacket = APRSPacketLib::generateMessagePacket(currentCallsign, "APLRG1", "TCPIP,qAC", currentCallsign, packet);
+            String baseAPRSISTelemetryPacket = APRSPacketLib::generateAPRSISPacket(baseRFTelemetryPacket);
             #ifdef HAS_A7670
                 A7670_Utils::uploadToAPRSIS(baseAPRSISTelemetryPacket);
             #else
@@ -80,7 +81,6 @@ namespace TELEMETRY_Utils {
             #endif
             delay(300);
         } else if (Config.beacon.sendViaRF) {
-            String baseRFTelemetryPacket = APRSPacketLib::generateMessagePacket(currentCallsign, "APLRG1", Config.beacon.path, currentCallsign, packet);
             LoRa_Utils::sendNewPacket(baseRFTelemetryPacket);
             delay(3000);
         }

src/thermal_utils.cpp

@@ -0,0 +1,154 @@
+/* Copyright (C) 2026 Ricardo Guzman - CA2RXU
+ *
+ * This file is part of LoRa APRS iGate.
+ *
+ * LoRa APRS iGate is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LoRa APRS iGate is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LoRa APRS iGate. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+// Fan / thermal control adapted from KJ7NYE's LoRa_FieldOps_APRS_Tracker (GPLv3)
+// NTC circuit (T-Beam 1W V1.0 schematic): 3V3 -> NCP18XH103F03RB -> TEMP_PIN -> 10K -> GND
+
+#include "board_pinout.h"
+
+#ifdef FAN_CTRL_PIN
+
+#include <Arduino.h>
+#include <math.h>
+#include "thermal_utils.h"
+#include "utils.h"
+
+#define NTC_B               3380.0f     // B25/50 (K)
+#define NTC_R25             10000.0f    // NTC resistance at 25C (ohm)
+#define NTC_T0              298.15f     // 25C in Kelvin
+#define NTC_R_FIXED         10000.0f    // pull-down resistor (ohm)
+#define NTC_VCC_MV          3300.0f
+#define NTC_MIN_VALID_MV    100         // below this the sample is a failed ADC2 read (100mV = ~-45C)
+
+#define FAN_ON_TEMP         50.0f       // fan on at or above
+#define FAN_OFF_TEMP        42.0f       // fan off below (hysteresis)
+#define TEMP_WARNING        75.0f
+#define TEMP_TX_BLOCK       85.0f       // Tx blocked at or above
+#define TEMP_TX_UNBLOCK     75.0f       // Tx allowed again below (hysteresis)
+#define TX_COOLDOWN_MS      30000       // fan kept on after TX
+#define TEMP_SAMPLE_MS      30000
+
+static float       currentTemperature  = 25.0f;
+static bool        fanOn               = false;
+static bool        txBlocked           = false;
+static bool        txCooldownActive    = false;
+static uint32_t    txEndTime           = 0;
+static uint32_t    lastTempSample      = 0;
+static bool        firstTempSample     = true;
+
+
+namespace THERMAL_Utils {
+
+    float readTemperature() {       // TEMP_PIN is on ADC2: reads fail (return 0) while Wi-Fi holds the ADC2 arbiter
+        analogReadMilliVolts(TEMP_PIN);     // dummy read to settle the ADC
+        delay(1);
+        uint32_t sum = 0;
+        int validSamples = 0;
+        for (int i = 0; i < 5; i++) {
+            uint32_t sample = analogReadMilliVolts(TEMP_PIN);
+            if (sample > NTC_MIN_VALID_MV) {
+                sum += sample;
+                validSamples++;
+            }
+            delay(3);
+        }
+        if (validSamples == 0) return NAN;
+        float mv = (float)sum / validSamples;
+        if (mv >= NTC_VCC_MV) return NAN;
+        float ntcResistance = NTC_R_FIXED * (NTC_VCC_MV - mv) / mv;
+        float kelvin = 1.0f / (1.0f / NTC_T0 + (1.0f / NTC_B) * logf(ntcResistance / NTC_R25));
+        return kelvin - 273.15f;
+    }
+
+    void setFan(bool on, const String& reason) {
+        if (fanOn == on) return;
+        fanOn = on;
+        digitalWrite(FAN_CTRL_PIN, on ? HIGH : LOW);
+        Utils::println("Thermal: Fan " + String(on ? "ON" : "OFF") + " (" + reason + ", " + String(currentTemperature, 1) + " C)");
+    }
+
+    void updateFan() {
+        if (!fanOn) {
+            if (txCooldownActive) {
+                setFan(true, "TX cooldown");
+            } else if (currentTemperature >= FAN_ON_TEMP) {
+                setFan(true, "temperature");
+            }
+        } else if (!txCooldownActive && currentTemperature < FAN_OFF_TEMP) {
+            setFan(false, "cooled down");
+        }
+    }
+
+    void setup() {
+        pinMode(TEMP_PIN, INPUT);
+        analogSetPinAttenuation(TEMP_PIN, ADC_11db);
+        pinMode(FAN_CTRL_PIN, OUTPUT);
+        digitalWrite(FAN_CTRL_PIN, LOW);
+        fanOn           = false;
+        firstTempSample = true;     // first monitor() call samples immediately
+    }
+
+    void monitor() {
+        uint32_t now = millis();
+
+        if (txCooldownActive && (now - txEndTime >= TX_COOLDOWN_MS)) {
+            txCooldownActive = false;
+            updateFan();
+        }
+
+        if (!firstTempSample && (now - lastTempSample < TEMP_SAMPLE_MS)) return;
+        firstTempSample = false;
+        lastTempSample  = now;
+
+        float temperature = readTemperature();
+        if (!isnan(temperature)) currentTemperature = temperature;
+
+        if (!txBlocked && currentTemperature >= TEMP_TX_BLOCK) {
+            txBlocked = true;
+            Utils::println("Thermal: Over-temperature at " + String(currentTemperature, 1) + " C, Tx blocked");
+        } else if (txBlocked && currentTemperature < TEMP_TX_UNBLOCK) {
+            txBlocked = false;
+            Utils::println("Thermal: Temperature back to " + String(currentTemperature, 1) + " C, Tx allowed");
+        } else if (!txBlocked && currentTemperature >= TEMP_WARNING) {
+            Utils::println("Thermal: High temperature: " + String(currentTemperature, 1) + " C");
+        }
+        updateFan();
+    }
+
+    void onTxStart() {
+        txCooldownActive = false;
+        setFan(true, "TX");
+    }
+
+    void onTxEnd() {
+        txCooldownActive = true;
+        txEndTime        = millis();
+    }
+
+    void turnOffFan() {     // before sleeping: no Tx while asleep, so the PA doesn't heat up
+        txCooldownActive = false;
+        setFan(false, "sleep");
+    }
+
+    bool isTxBlocked() {
+        return txBlocked;
+    }
+
+}
+
+#endif

src/utils.cpp

@@ -27,6 +27,7 @@
 #include "board_pinout.h"
 #include "power_utils.h"
 #include "syslog_utils.h"
+#include "thermal_utils.h"
 #include "A7670_utils.h"
 #include "lora_utils.h"
 #include "wifi_utils.h"
@@ -48,7 +49,7 @@ extern String               fourthLine;
 extern String               fifthLine;
 extern String               sixthLine;
 extern String               seventhLine;
-extern String               iGateBeaconPacket;
+extern String               iGateAPRSISBeaconPacket;
 extern String               iGateLoRaBeaconPacket;
 extern int                  rssi;
 extern float                snr;
@@ -69,8 +70,6 @@ uint32_t    lastBeaconTx            = 0;
 uint32_t    lastScreenOn            = millis();
 uint32_t    lastStatusTx            = 0;
 bool        stationCallsignIsValid  = false;
-String      beaconPacket;
-String      secondaryBeaconPacket;
 uint32_t    rfBeaconCounter         = 0;
 
 
@@ -85,13 +84,13 @@ namespace Utils {
             return;
         }
 
-        String statusPacket = APRSPacketLib::generateBasePacket(Config.callsign, "APLRG1", Config.beacon.path);
-        statusPacket += sendOverAPRSIS ? ",qAC:>" : ":>";
-        statusPacket += Config.beacon.statusPacket;
+        String statusCallsign   = (Config.tacticalCallsign == "") ? Config.callsign : Config.tacticalCallsign;
+        String statusPacket     = APRSPacketLib::generateStatusPacket(statusCallsign, "APLRG1", Config.beacon.path, Config.beacon.statusPacket);
 
         if (sendOverAPRSIS) {
-            APRS_IS_Utils::upload(statusPacket);
-            SYSLOG_Utils::logAPRSISTx(statusPacket);
+            String aprsisStatusPacket = APRSPacketLib::generateAPRSISPacket(statusPacket);
+            APRS_IS_Utils::upload(aprsisStatusPacket);
+            SYSLOG_Utils::logAPRSISTx(aprsisStatusPacket);
         } else {
             STATION_Utils::addToOutputPacketBuffer(statusPacket, true); // treated also as beacon on Tx Freq
         }
@@ -188,49 +187,42 @@ namespace Utils {
 
             showActiveStations();
 
-            beaconPacket            = iGateBeaconPacket;
-            secondaryBeaconPacket   = iGateLoRaBeaconPacket;
+            String aprsisBeaconPacket   = iGateAPRSISBeaconPacket;
+            String loraBeaconPacket     = iGateLoRaBeaconPacket;
             #ifdef HAS_GPS
                 if (Config.beacon.gpsActive && Config.digi.ecoMode == 0) {
                     GPS_Utils::getData();
                     if (gps.location.isUpdated() && gps.location.lat() != 0.0 && gps.location.lng() != 0.0) {
-                        String basePacket   = APRSPacketLib::generateBasePacket(Config.callsign, "APLRG1", Config.beacon.path);
-                        String encodedGPS   = APRSPacketLib::encodeGPSIntoBase91(gps.location.lat(),gps.location.lng(), 0, 0, Config.beacon.symbol, false, 0, true, Config.beacon.ambiguityLevel);
+                        String beaconCallsign   = (stationCallsignIsValid && Config.tacticalCallsign != "") ? Config.tacticalCallsign : Config.callsign;
+                        String encodedGPS       = APRSPacketLib::encodeGPSIntoBase91(gps.location.lat(),gps.location.lng(), 0, 0, Config.beacon.symbol, false, 0, true, Config.beacon.ambiguityLevel);
 
-                        beaconPacket    = basePacket;
-                        beaconPacket    += ",qAC:!";
-                        beaconPacket    += Config.beacon.overlay;
-                        beaconPacket    += encodedGPS;
-
-                        secondaryBeaconPacket   = basePacket;
-                        secondaryBeaconPacket   += ":=";
-                        secondaryBeaconPacket   += Config.beacon.overlay;
-                        secondaryBeaconPacket   += encodedGPS;
+                        loraBeaconPacket    = APRSPacketLib::generateBase91GPSBeaconPacket(beaconCallsign, "APLRG1", Config.beacon.path, Config.beacon.overlay, encodedGPS);
+                        aprsisBeaconPacket  = APRSPacketLib::generateAPRSISPacket(loraBeaconPacket);
                     }
                 }
             #endif
 
             if (Config.wxsensor.active) {
                 String sensorData = (wxModuleType == 0) ? ".../...g...t..." : WX_Utils::readDataSensor();
-                beaconPacket            += sensorData;
-                secondaryBeaconPacket   += sensorData;
+                aprsisBeaconPacket  += sensorData;
+                loraBeaconPacket    += sensorData;
             }
-            beaconPacket            += Config.beacon.comment;                           // APRS-IS beacon always carries the comment
+            aprsisBeaconPacket      += Config.beacon.comment;                           // APRS-IS beacon always carries the comment
             int commentEveryX       = max(1, Config.beacon.rfCommentEveryXBeacons);   // safety: 0 or negative behaves as "every beacon"
-            if (rfBeaconCounter % commentEveryX == 0) secondaryBeaconPacket += Config.beacon.comment;
+            if (rfBeaconCounter % commentEveryX == 0) loraBeaconPacket += Config.beacon.comment;
             if (stationCallsignIsValid && Config.tacticalCallsign != "") {
-                beaconPacket            += " de ";
-                beaconPacket            += Config.callsign;
-                secondaryBeaconPacket   += " de ";
-                secondaryBeaconPacket   += Config.callsign;
+                aprsisBeaconPacket  += " de ";
+                aprsisBeaconPacket  += Config.callsign;
+                loraBeaconPacket    += " de ";
+                loraBeaconPacket    += Config.callsign;
             }
 
             #if defined(BATTERY_PIN) || defined(HAS_AXP192) || defined(HAS_AXP2101)
                 if (Config.battery.sendInternalVoltage || Config.battery.monitorInternalVoltage) {
                     float internalVoltage       = BATTERY_Utils::checkInternalVoltage();
                     if (Config.battery.monitorInternalVoltage && internalVoltage < Config.battery.internalSleepVoltage) {
-                        beaconPacket            += " **IntBatWarning:SLEEP**";
-                        secondaryBeaconPacket   += " **IntBatWarning:SLEEP**";
+                        aprsisBeaconPacket      += " **IntBattWarning:SLEEP**";
+                        loraBeaconPacket        += " **IntBattWarning:SLEEP**";
                         shouldSleepLowVoltage   = true;
                     }
 
@@ -243,10 +235,10 @@ namespace Utils {
                         sixthLine = sixthLineBuffer;
 
                         if (!Config.battery.sendVoltageAsTelemetry) {
-                            beaconPacket            += " Batt=";
-                            beaconPacket            += internalVoltageInfo;
-                            secondaryBeaconPacket   += " Batt=";
-                            secondaryBeaconPacket   += internalVoltageInfo;
+                            aprsisBeaconPacket  += " Batt=";
+                            aprsisBeaconPacket  += internalVoltageInfo;
+                            loraBeaconPacket    += " Batt=";
+                            loraBeaconPacket    += internalVoltageInfo;
                         }
                     }
                 }
@@ -256,8 +248,8 @@ namespace Utils {
                 if (Config.battery.sendExternalVoltage || Config.battery.monitorExternalVoltage) {
                     float externalVoltage       = BATTERY_Utils::checkExternalVoltage();
                     if (Config.battery.monitorExternalVoltage && externalVoltage < Config.battery.externalSleepVoltage) {
-                        beaconPacket            += " **ExtBatWarning:SLEEP**";
-                        secondaryBeaconPacket   += " **ExtBatWarning:SLEEP**";
+                        aprsisBeaconPacket      += " **ExtBattWarning:SLEEP**";
+                        loraBeaconPacket        += " **ExtBattWarning:SLEEP**";
                         shouldSleepLowVoltage   = true;
                     }
 
@@ -270,10 +262,10 @@ namespace Utils {
                         sixthLine = sixthLineBuffer;
 
                         if (!Config.battery.sendVoltageAsTelemetry) {
-                            beaconPacket            += " Ext=";
-                            beaconPacket            += externalVoltageInfo;
-                            secondaryBeaconPacket   += " Ext=";
-                            secondaryBeaconPacket   += externalVoltageInfo;
+                            aprsisBeaconPacket  += " Ext=";
+                            aprsisBeaconPacket  += externalVoltageInfo;
+                            loraBeaconPacket    += " Ext=";
+                            loraBeaconPacket    += externalVoltageInfo;
                         }
                     }
                 }
@@ -281,8 +273,8 @@ namespace Utils {
 
             if (Config.battery.sendVoltageAsTelemetry && !Config.wxsensor.active && (Config.battery.sendInternalVoltage || Config.battery.sendExternalVoltage)){
                 String encodedTelemetry = TELEMETRY_Utils::generateEncodedTelemetry();
-                beaconPacket += encodedTelemetry;
-                secondaryBeaconPacket += encodedTelemetry;
+                aprsisBeaconPacket  += encodedTelemetry;
+                loraBeaconPacket    += encodedTelemetry;
             }
 
             if (Config.beacon.sendViaAPRSIS && Config.aprs_is.active && passcodeValid && !backupDigiMode) {
@@ -290,18 +282,18 @@ namespace Utils {
                 displayShow(firstLine, secondLine, thirdLine, fourthLine, fifthLine, sixthLine, "SENDING IGATE BEACON", 0);
                 seventhLine = "     listening...";
                 #ifdef HAS_A7670
-                    A7670_Utils::uploadToAPRSIS(beaconPacket);
+                    A7670_Utils::uploadToAPRSIS(aprsisBeaconPacket);
                 #else
-                    APRS_IS_Utils::upload(beaconPacket);
+                    APRS_IS_Utils::upload(aprsisBeaconPacket);
                 #endif
-                if (Config.syslog.logBeaconOverTCPIP) SYSLOG_Utils::logAPRSISTx(beaconPacket);
+                if (Config.syslog.logBeaconOverTCPIP) SYSLOG_Utils::logAPRSISTx(aprsisBeaconPacket);
             }
 
             if (Config.beacon.sendViaRF || backupDigiMode) {
                 Utils::println("-- Sending Beacon to RF --");
                 displayShow(firstLine, secondLine, thirdLine, fourthLine, fifthLine, sixthLine, "SENDING DIGI BEACON", 0);
                 seventhLine = "     listening...";
-                STATION_Utils::addToOutputPacketBuffer(secondaryBeaconPacket, true);
+                STATION_Utils::addToOutputPacketBuffer(loraBeaconPacket, true);
                 rfBeaconCounter++;
             }
 
@@ -332,6 +324,12 @@ namespace Utils {
         }
     }
 
+    String padForDisplay(const String& text) {      // left-aligned, 9 chars wide (callsign column on screen)
+        char buffer[10];
+        snprintf(buffer, sizeof(buffer), "%-9s", text.c_str());
+        return String(buffer);
+    }
+
     void updateLoRaPacketDisplayInfo(APRSPacket& aprsPacket, const uint8_t packetType) {
         switch (packetType) {
             case 0: // LoRa-APRS
@@ -342,11 +340,7 @@ namespace Utils {
                 break;
         }
 
-        String sender = aprsPacket.sender;
-        for (int i = sender.length(); i < 9; i++) {
-            sender += " ";
-        }
-        sixthLine = sender;
+        sixthLine = padForDisplay(aprsPacket.sender);
 
         switch (aprsPacket.type) {
             case 1:     // MESSAGE
@@ -392,11 +386,7 @@ namespace Utils {
     void updateAPRSISPacketDisplayInfo(const String& packet) {
         fifthLine = "APRS-IS ----> LoRa Tx";
 
-        String sender = packet.substring(0,packet.indexOf(">"));
-        for (int i = sender.length(); i < 9; i++) {
-            sender += " ";
-        }
-        sixthLine = sender;
+        sixthLine = padForDisplay(packet.substring(0,packet.indexOf(">")));
 
         if (packet.indexOf("::") > 0) {
             sixthLine += "> MESSAGE";
@@ -438,15 +428,19 @@ namespace Utils {
             if (mode == 0) {    // at startup
                 delay(3000);
             }
-            Serial.println("\n\n*** Sleeping Low Battey Voltage ***\n\n");
+            Serial.println("\n\n*** Sleeping Low Battery Voltage ***\n\n");
             esp_sleep_enable_timer_wakeup(30 * 60 * 1000000); // sleep 30 min
             if (mode == 1) {    // low voltage detected after a while
                 displayToggle(false);
             }
             #ifdef VEXT_CTRL_PIN
-                digitalWrite(VEXT_CTRL_PIN, !VEXT_CTRL_ON_STATE);   // VEXT off before deep sleep (always, regardless of ecoMode)
+                POWER_Utils::vext_ctrl_OFF();       // VEXT off before deep sleep (always, regardless of ecoMode)
+            #endif
+            #ifdef FAN_CTRL_PIN
+                THERMAL_Utils::turnOffFan();
             #endif
             LoRa_Utils::sleepRadio();
+            POWER_Utils::deactivateGPS();       // GPS rail off (AXP boards), otherwise it keeps draining the low battery while sleeping
             #ifdef RADIO_VCC_PIN
                 digitalWrite(RADIO_VCC_PIN, LOW);   // cut LoRa module power (QRP Labs LightGateway) so it draws nothing while sleeping
             #endif

src/web_utils.cpp

@@ -19,6 +19,7 @@
 #include <ArduinoJson.h>
 #include "network_manager.h"
 #include "configuration.h"
+#include "lora_utils.h"
 #include "ota_utils.h"
 #include "web_utils.h"
 #include "map_utils.h"
@@ -233,6 +234,7 @@ namespace WEB_Utils {
         if (Config.aprs_is.active) {
             Config.aprs_is.messagesToRF     = request->hasParam("aprs_is.messagesToRF", true);
             Config.aprs_is.objectsToRF      = request->hasParam("aprs_is.objectsToRF", true);
+            Config.aprs_is.is2Metadata      = request->hasParam("aprs_is.is2Metadata", true);
             Config.aprs_is.server           = getParamStringSafe("aprs_is.server", Config.aprs_is.server);
             Config.aprs_is.passcode         = getParamStringSafe("aprs_is.passcode", Config.aprs_is.passcode);
             Config.aprs_is.port             = getParamIntSafe("aprs_is.port", Config.aprs_is.port);
@@ -277,7 +279,7 @@ namespace WEB_Utils {
         Config.loramodule.txSpreadingFactor = getParamIntSafe("lora.txSpreadingFactor", Config.loramodule.txSpreadingFactor);
         Config.loramodule.txCodingRate4     = getParamIntSafe("lora.txCodingRate4", Config.loramodule.txCodingRate4);
         Config.loramodule.txSignalBandwidth = getParamIntSafe("lora.txSignalBandwidth", Config.loramodule.txSignalBandwidth);
-        Config.loramodule.power             = getParamIntSafe("lora.power", Config.loramodule.power);
+        Config.loramodule.power             = LoRa_Utils::validPower(getParamIntSafe("lora.power", Config.loramodule.power));  // saved as the power the radio chip really uses
         if (Config.loramodule.txActive)
             Config.loramodule.cadActive     = request->hasParam("lora.cadActive", true);
 

tools/compress.py

@@ -35,16 +35,19 @@ files = [
 ]
 
 string_to_find_str = "String"
-string_to_find_ver = "versionDate"
 
-with open('src/LoRa_APRS_iGate.cpp', encoding='utf-8') as cpp_file:
-  for line in cpp_file:
-    if string_to_find_str in line and string_to_find_ver in line:
-      start = line.find('"') + 1
-      end = line.find('"', start)
-      if start > 0 and end > start:
-        versionDate = line[start:end]
-        break
+def find_string_value(variable_name):
+  with open('src/LoRa_APRS_iGate.cpp', encoding='utf-8') as cpp_file:
+    for line in cpp_file:
+      if string_to_find_str in line and variable_name in line:
+        start = line.find('"') + 1
+        end = line.find('"', start)
+        if start > 0 and end > start:
+          return line[start:end]
+  return ""
+
+versionDate   = find_string_value("versionDate")
+versionNumber = find_string_value("versionNumber")
 
 for src in files:
   out = src + ".gz"
@@ -54,7 +57,7 @@ for src in files:
     content = f.read()
 
   if src == 'data_embed/index.html':
-    env_vars = env["BOARD"] + "<br>" + ','.join(env["BUILD_FLAGS"]).replace('-Werror -Wall,', '').replace(',-DELEGANTOTA_USE_ASYNC_WEBSERVER=1', '') + "<br>" + "Version date: " + versionDate
+    env_vars = env["BOARD"] + "<br>" + ','.join(env["BUILD_FLAGS"]).replace('-Werror -Wall,', '').replace(',-DELEGANTOTA_USE_ASYNC_WEBSERVER=1', '') + "<br>" + "Version: " + versionNumber + "<br>" + "Version date: " + versionDate
     current_date = datetime.datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S') + " UTC"
     build_info = f'{env_vars}<br>Build date: {current_date}'.encode()
 

variants/ESP32_9M2IBR_1W_LoRa_GPS_E22_400M30S/platformio.ini

@@ -9,4 +9,4 @@ build_flags =
 lib_deps =
 	${common.lib_deps}
 	${common.display_libs}
-	adafruit/Adafruit SH110X @ 2.1.10
+	adafruit/Adafruit SH110X @ 2.1.15

variants/QRPLabs_LightGateway_Plus_1_0/platformio.ini

@@ -11,4 +11,4 @@ build_flags =
 lib_deps =
 	${common.lib_deps}
 	${common.display_libs}
-	adafruit/Adafruit SHTC3 Library @ 1.0.1
+	adafruit/Adafruit SHTC3 Library @ 1.0.2

variants/ttgo-t-beam-1W/board_pinout.h

@@ -0,0 +1,65 @@
+/* Copyright (C) 2026 Ricardo Guzman - CA2RXU
+ *
+ * This file is part of LoRa APRS iGate.
+ *
+ * LoRa APRS iGate is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LoRa APRS iGate is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LoRa APRS iGate. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef BOARD_PINOUT_H_
+#define BOARD_PINOUT_H_
+
+    //  LoRa Radio
+    #define HAS_SX1262
+    #define HAS_1W_LORA
+    #define HAS_TCXO
+    #define RADIO_VCC_PIN           40      // (RADIO_LDO_EN_PIN) HIGH = turn on the radio, LOW = turns off the radio
+    #define RADIO_SCLK_PIN          13
+    #define RADIO_MISO_PIN          12
+    #define RADIO_MOSI_PIN          11
+    #define RADIO_CS_PIN            15
+    #define RADIO_RST_PIN           3
+    #define RADIO_DIO1_PIN          1
+    #define RADIO_BUSY_PIN          38
+    #define RADIO_RXEN              21      // (RADIO_CTRL_PIN) HIGH = LNA on (Rx), LOW = LNA off (Tx)
+    #define RADIO_WAKEUP_PIN        RADIO_DIO1_PIN
+    #define GPIO_WAKEUP_PIN         GPIO_SEL_1
+
+    //  I2C
+    #define USE_WIRE_WITH_OLED_PINS
+
+    //  Display
+    #define HAS_DISPLAY
+    #define HAS_SH1106
+
+    #undef  OLED_SDA
+    #undef  OLED_SCL
+    #undef  OLED_RST
+
+    #define OLED_SDA                8
+    #define OLED_SCL                9
+    #define OLED_RST                -1      // Reset pin # (or -1 if sharing Arduino reset pin)
+
+    //  Aditional Config
+    #define BATTERY_PIN             4
+    #define BATTERY_CELLS           2       // 7.4V 2S battery
+    #define BUTTON_PIN              0
+    #define TEMP_PIN                14      // NTC Temperature sensor
+    #define FAN_CTRL_PIN            41
+
+    //  GPS
+    #define HAS_GPS
+    #define GPS_RX                  6
+    #define GPS_TX                  5
+
+#endif

variants/ttgo-t-beam-1W/platformio.ini

@@ -0,0 +1,21 @@
+[env:ttgo-t-beam-1W]
+board = esp32-s3-devkitm-1
+board_build.mcu = esp32s3
+board_build.flash_size = 16MB
+board_build.flash_mode = qio
+board_build.arduino.memory_type = qio_opi
+board_upload.flash_size = 16MB
+board_upload.maximum_size = 16777216
+board_build.psram_type = opi
+build_flags =
+	${common.build_flags}
+	${common.usb_flags}
+	-D RADIOLIB_EXCLUDE_LR11X0=1
+	-D RADIOLIB_EXCLUDE_SX127X=1
+	-D RADIOLIB_EXCLUDE_SX128X=1
+	-D TTGO_T_BEAM_1W
+	-D BOARD_HAS_PSRAM
+lib_deps =
+	${common.lib_deps}
+	${common.display_libs}
+	adafruit/Adafruit SH110X @ 2.1.15

variants/ttgo_t_beam_s3_SUPREME_v3/platformio.ini

@@ -12,4 +12,4 @@ lib_deps =
   	${common.lib_deps}
 	${common.display_libs}
   	lewisxhe/XPowersLib @ 0.2.4
-	adafruit/Adafruit SH110X @ 2.1.10
+	adafruit/Adafruit SH110X @ 2.1.15