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A lot of CRC ERROR #163

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opened 2026-10-05 05:44:08 +02:00 by adam · 8 comments
adam commented 2026-10-05 05:44:08 +02:00
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Hi,
Running iGate Version date: 2025.01.02 in LILYGO TTGO T-Beam V1.2 and when check Syslog see to many crc error.

Jan 5 01:14:34 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: TX / EA4GLO-10>APLRG1,WIDE1-1:!L:-2MSQX_ G.../...g...t054h55b09487LoRa APRS iGate TTGO T-Beam V1.2 Batt=4.17V
Jan 5 01:15:06 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EC4TR-10>APLOX1,IDE1-1:!/9s>uMeZRy XEC4TR Lora iGate / -128dBm / -19.50dB / 3461Hz
Jan 5 01:16:15 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4HXE-10>APLRWa}▒▒|^▒▒y
?dyt▒mQ▒▒▒\▒▒
▒▒tf<#Av▒a▒▒\r▒b)
▒:▒@ / -125dBm / -17.75dB / 3479Hz
Jan 5 01:16:18 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4ATS-10nWGq<D4ZAH-4:!L
HjNPrVa GLoRa APRS / -130dBm / -21.50dB / 140Hz
PuTTYPuTTYJan 5 01:17:13 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4DD]<!▒▒M▒▒O▒▒▒\▒0ZAH-4*:!L▒#▒pDGYz& XEA4DTE iGate ▒%'' P=4.43V / -129dBm / -21.75dB / 147Hz
Jan 5 01:17:31 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4AC▒▒▒4KPLRG1,ED4ZAH):=4017.82NL00359.30W_...OH.(▒..▒60r...p...P...h%$c18▒7<Lo^a APRS / -129dBm / -19.75dB / 198Hz
Jan 5 01:17:52 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4D-11>APLOX1▒▒▒\R%▒8▒WIDE1▒▒+▒,sjMX!Na XEA4D Lora iGate System P=4.37V / -130dBm / -19.50dB / 3488Hz
Jan 5 01:18:23 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: RX / GPS / EA4SG-10 / APLRG1 / WIDE1-1 / -121dBm / -12.25dB / 2129Hz / 40.65000N / -3.79001E / 4537.6km / LoRa APRS iGate en TTGO. 73 de David|:%d|
Jan 5 01:18:27 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒▒▒▒G-10>APLRG1,ED4ZAH-4:!L9wMQlP& GLoRa APRS iGat▒ i▒ X▒GG▒ 73 de David|:%dx / -129dBm / -21.25dB / 192Hz
Jan 5 01:18:33 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4SG-10>APLRG1,EC4R(10,WIDE1:!L9wMQlP& GLoRa APRS iGate en TTGO. 73 de David|:%d| / -128dBm / -19.25dB / 3499Hz
Jan 5 01:20:26 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4GWT-10>BPLRG1,ED4z▒=4:;Mf▒4GEN>PZKWF,TCPIP,E▒$▒OE$10:;EA4GMF_1 050▒20z<026.61N/00322.12WyAirSpy EA4GMF / -129dBm / -21.75dB / 141Hz
Jan 5 01:22:09 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4EP▒11>APLRG1,ED4ZAH-4:!L:$Y^MSM+a xGLoRa APR / -129dBm / -21.00dB / 137Hz

Hi, Running iGate Version date: 2025.01.02 in LILYGO TTGO T-Beam V1.2 and when check Syslog see to many crc error. Jan 5 01:14:34 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: TX / EA4GLO-10>APLRG1,WIDE1-1:!L:*-2MSQX_ G.../...g...t054h55b09487LoRa APRS iGate TTGO T-Beam V1.2 Batt=4.17V Jan 5 01:15:06 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EC4TR-10>APLOX1,IDE1-1:!/9s>uMeZRy XEC4TR Lora iGate / -128dBm / -19.50dB / 3461Hz Jan 5 01:16:15 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4HXE-10>APLRWa}▒▒|^▒▒y ?dyt▒mQ▒▒▒\▒▒ ▒▒tf<#Av▒a▒▒\r▒b) ▒:▒@ / -125dBm / -17.75dB / 3479Hz Jan 5 01:16:18 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4ATS-10nWGq<D4ZAH-4*:!L HjNPrVa GLoRa APRS / -130dBm / -21.50dB / 140Hz PuTTYPuTTYJan 5 01:17:13 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4DD]<!▒▒M▒▒O▒▒▒\▒0ZAH-4*:!L▒#▒pDGYz& XEA4DTE iGate ▒%'' P=4.43V / -129dBm / -21.75dB / 147Hz Jan 5 01:17:31 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4AC▒▒▒4KPLRG1,ED4ZAH):=4017.82NL00359.30W_...OH.(▒..▒60r...p...P...h%$c18▒7<Lo^a APRS / -129dBm / -19.75dB / 198Hz Jan 5 01:17:52 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4D-11>APLOX1▒▒▒\R%▒8▒WIDE1▒▒+▒,sjMX!Na XEA4D Lora iGate System P=4.37V / -130dBm / -19.50dB / 3488Hz Jan 5 01:18:23 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: RX / GPS / EA4SG-10 / APLRG1 / WIDE1-1 / -121dBm / -12.25dB / 2129Hz / 40.65000N / -3.79001E / 4537.6km / LoRa APRS iGate en TTGO. 73 de David|*:%d| Jan 5 01:18:27 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒▒▒▒G-10>APLRG1,ED4ZAH-4*:!L9w**MQlP& GLoRa APRS iGat▒ i▒ X▒GG▒ 73 de David|*:%dx / -129dBm / -21.25dB / 192Hz Jan 5 01:18:33 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4SG-10>APLRG1,EC4R(10,WIDE1*:!L9w**MQlP& GLoRa APRS iGate en TTGO. 73 de David|*:%d| / -128dBm / -19.25dB / 3499Hz Jan 5 01:20:26 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4GWT-10>BPLRG1,ED4z▒=4:;Mf▒4GEN>PZKWF,TCPIP,E▒$▒OE$10*:;EA4GMF_1 *050▒20z<026.61N/00322.12WyAirSpy EA4GMF / -129dBm / -21.75dB / 141Hz Jan 5 01:22:09 EA4GLO-10 CA2RXU_LoRa_iGate_1.3: CRC / CRC-ERROR / <▒EA4EP▒11>APLRG1,ED4ZAH-4*:!L:$Y^MSM+a xGLoRa APR / -129dBm / -21.00dB / 137Hz <!-- github-sync-id:2769055728 -->
adam closed this issue 2026-10-05 05:44:08 +02:00
adam commented 2026-10-05 05:44:09 +02:00
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Maybe there are real CRC errors

Check the packet Rx to see what's going on

Maybe there are real CRC errors Check the packet Rx to see what's going on <!-- github-comment-id:2571454721 -->
adam commented 2026-10-05 05:44:10 +02:00
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list the 10 last received packets, here the last four

00:45:09 EC4TR-10>APLOX1,WIDE1-1:!/9s>uMUYQy XEC4TR Lora iGate -129 -20
00:48:22 EA4SG-10>APLRG1,WIDE1-1:!L9w**MQlP& GLoRa APRS iGate en TTGO. 73 de David|<&.| -120 -12
00:56:15 EA4ATS-10>APLRG1,WIDE1-1:!L:#xYMSrVa GLoRa APRS -126 -16.75
00:56:46 EA4GLO-7>APLRT1,WIDE1-1:!/:-?MSQ#[ pQ -64 11.5

but in logs show a lots of crc errors

list the 10 last received packets, here the last four 00:45:09 EC4TR-10>APLOX1,WIDE1-1:!/9s>uMUYQy XEC4TR Lora iGate -129 -20 00:48:22 EA4SG-10>APLRG1,WIDE1-1:!L9w**MQlP& GLoRa APRS iGate en TTGO. 73 de David|*<&.| -120 -12 00:56:15 EA4ATS-10>APLRG1,WIDE1-1:!L:#xYMSrVa GLoRa APRS -126 -16.75 00:56:46 EA4GLO-7>APLRT1,WIDE1-1:!/:*-?MSQ#[ pQ -64 11.5 but in logs show a lots of crc errors <!-- github-comment-id:2571459164 -->
adam commented 2026-10-05 05:44:10 +02:00
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Received packets are all the non-crc errors packets

So it's normal to only see CRC error listed in the syslog log and not on the webUI

Received packets are all the non-crc errors packets So it's normal to only see CRC error listed in the syslog log and not on the webUI <!-- github-comment-id:2571520363 -->
adam commented 2026-10-05 05:44:11 +02:00
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-128dBm / -19.50dB

All of packets are weak signal / SNR.

> -128dBm / -19.50dB All of packets are weak signal / SNR. <!-- github-comment-id:2572550092 -->
adam commented 2026-10-05 05:44:12 +02:00
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-128dBm / -19.50dB

All of packets are weak signal / SNR.

exactly, the lower the RSSI/SNR the more likely to get CRC

remember: those values are way below the noise

where is this station? real high listening to lots of packets?

> > -128dBm / -19.50dB > > All of packets are weak signal / SNR. exactly, the lower the RSSI/SNR the more likely to get CRC remember: those values are way below the noise where is this station? real high listening to lots of packets? <!-- github-comment-id:2572970446 -->
adam commented 2026-10-05 05:44:12 +02:00
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was checking my antenna installation and not doing good at 433, now running on Vertical VHF/UHF, will change it soon

was checking my antenna installation and not doing good at 433, now running on Vertical VHF/UHF, will change it soon <!-- github-comment-id:2580566442 -->
adam commented 2026-10-05 05:44:13 +02:00
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should I close this issue now?

should I close this issue now? <!-- github-comment-id:2580820336 -->
adam commented 2026-10-05 05:44:14 +02:00
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Yes, please

Yes, please <!-- github-comment-id:2585377220 -->
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Reference: adam/LoRa_APRS_iGate#163