diff --git a/data/nodes.sql b/data/nodes.sql
index db3d957..fad51a7 100644
--- a/data/nodes.sql
+++ b/data/nodes.sql
@@ -36,6 +36,7 @@ CREATE TABLE IF NOT EXISTS nodes (
   uptime_seconds     INTEGER,
   position_time      INTEGER,
   location_source    TEXT,
+  precision_bits     INTEGER,
   latitude           REAL,
   longitude          REAL,
   altitude           REAL
diff --git a/tests/nodes.json b/tests/nodes.json
index 3f2eaf8..81ff54c 100644
--- a/tests/nodes.json
+++ b/tests/nodes.json
@@ -18,7 +18,9 @@
     "longitude": 13.4479872,
     "altitude": 0.0,
     "last_seen_iso": "2025-09-16T12:05:30Z",
-    "pos_time_iso": "2025-09-16T12:05:30Z"
+    "pos_time_iso": "2025-09-16T12:05:30Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 10
   },
   {
     "node_id": "!d1edc388",
@@ -38,7 +40,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-16T12:05:07Z"
+    "last_seen_iso": "2025-09-16T12:05:07Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!6eec6364",
@@ -59,7 +63,9 @@
     "longitude": 13.5520256,
     "altitude": 51.0,
     "last_seen_iso": "2025-09-16T12:05:05Z",
-    "pos_time_iso": "2025-09-16T12:05:05Z"
+    "pos_time_iso": "2025-09-16T12:05:05Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 12
   },
   {
     "node_id": "!33602324",
@@ -80,7 +86,9 @@
     "longitude": 13.4479872,
     "altitude": 19.0,
     "last_seen_iso": "2025-09-16T12:02:50Z",
-    "pos_time_iso": "2025-09-16T12:02:50Z"
+    "pos_time_iso": "2025-09-16T12:02:50Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 13
   },
   {
     "node_id": "!ef6a21c5",
@@ -101,7 +109,9 @@
     "longitude": 13.500416,
     "altitude": 33.0,
     "last_seen_iso": "2025-09-16T12:00:31Z",
-    "pos_time_iso": "2025-09-16T12:00:31Z"
+    "pos_time_iso": "2025-09-16T12:00:31Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 14
   },
   {
     "node_id": "!ea24e0b4",
@@ -122,7 +132,9 @@
     "longitude": 13.4815744,
     "altitude": 61.0,
     "last_seen_iso": "2025-09-16T12:00:17Z",
-    "pos_time_iso": "2025-09-16T10:54:13Z"
+    "pos_time_iso": "2025-09-16T10:54:13Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 10
   },
   {
     "node_id": "!9ee71430",
@@ -143,7 +155,9 @@
     "longitude": 13.500416,
     "altitude": 67.0,
     "last_seen_iso": "2025-09-16T11:58:03Z",
-    "pos_time_iso": "2025-09-16T11:58:03Z"
+    "pos_time_iso": "2025-09-16T11:58:03Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 11
   },
   {
     "node_id": "!a2ebd35c",
@@ -164,7 +178,9 @@
     "longitude": 13.3857503,
     "altitude": 56.0,
     "last_seen_iso": "2025-09-16T11:57:50Z",
-    "pos_time_iso": "2025-09-16T11:57:50Z"
+    "pos_time_iso": "2025-09-16T11:57:50Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 12
   },
   {
     "node_id": "!0c63e027",
@@ -185,7 +201,9 @@
     "longitude": 13.500416,
     "altitude": 21.0,
     "last_seen_iso": "2025-09-16T11:56:53Z",
-    "pos_time_iso": "2025-09-16T11:56:53Z"
+    "pos_time_iso": "2025-09-16T11:56:53Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 13
   },
   {
     "node_id": "!bcf10936",
@@ -206,7 +224,9 @@
     "longitude": 13.43488,
     "altitude": 57.0,
     "last_seen_iso": "2025-09-16T11:55:35Z",
-    "pos_time_iso": "2025-09-16T11:55:35Z"
+    "pos_time_iso": "2025-09-16T11:55:35Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 14
   },
   {
     "node_id": "!433e67e8",
@@ -227,7 +247,9 @@
     "longitude": 13.5520256,
     "altitude": 30.0,
     "last_seen_iso": "2025-09-16T11:53:19Z",
-    "pos_time_iso": "2025-09-16T11:53:19Z"
+    "pos_time_iso": "2025-09-16T11:53:19Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 10
   },
   {
     "node_id": "!9eeb25ec",
@@ -248,7 +270,9 @@
     "longitude": 13.3955584,
     "altitude": 52.0,
     "last_seen_iso": "2025-09-16T11:52:32Z",
-    "pos_time_iso": "2025-09-16T11:52:32Z"
+    "pos_time_iso": "2025-09-16T11:52:32Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 11
   },
   {
     "node_id": "!4ed36bd0",
@@ -269,11 +293,13 @@
     "longitude": 13.4479872,
     "altitude": 64.0,
     "last_seen_iso": "2025-09-16T11:52:06Z",
-    "pos_time_iso": "2025-09-16T11:52:06Z"
+    "pos_time_iso": "2025-09-16T11:52:06Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 12
   },
   {
     "node_id": "!da63e474",
-    "short_name": "🐧",
+    "short_name": "\ud83d\udc27",
     "long_name": "belug.de 868MHz",
     "hw_model": "LILYGO_TBEAM_S3_CORE",
     "role": "CLIENT_MUTE",
@@ -290,7 +316,9 @@
     "longitude": 13.35849,
     "altitude": null,
     "last_seen_iso": "2025-09-16T11:48:32Z",
-    "pos_time_iso": "2025-09-16T11:48:32Z"
+    "pos_time_iso": "2025-09-16T11:48:32Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 13
   },
   {
     "node_id": "!849c4c24",
@@ -311,7 +339,9 @@
     "longitude": 13.5462912,
     "altitude": 60.0,
     "last_seen_iso": "2025-09-16T11:45:50Z",
-    "pos_time_iso": "2025-09-16T10:04:18Z"
+    "pos_time_iso": "2025-09-16T10:04:18Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 14
   },
   {
     "node_id": "!bba83318",
@@ -332,7 +362,9 @@
     "longitude": 13.5593984,
     "altitude": 50.0,
     "last_seen_iso": "2025-09-16T11:41:02Z",
-    "pos_time_iso": "2025-09-16T11:41:02Z"
+    "pos_time_iso": "2025-09-16T11:41:02Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 10
   },
   {
     "node_id": "!6aac99f2",
@@ -352,7 +384,9 @@
     "latitude": 52.529706,
     "longitude": 13.426035,
     "altitude": 58.0,
-    "last_seen_iso": "2025-09-16T11:40:27Z"
+    "last_seen_iso": "2025-09-16T11:40:27Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!aafba2a5",
@@ -373,7 +407,9 @@
     "longitude": 13.39392,
     "altitude": 55.0,
     "last_seen_iso": "2025-09-16T11:40:06Z",
-    "pos_time_iso": "2025-09-16T11:40:06Z"
+    "pos_time_iso": "2025-09-16T11:40:06Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 12
   },
   {
     "node_id": "!970588c4",
@@ -393,7 +429,9 @@
     "latitude": 52.4729555,
     "longitude": 13.3166989,
     "altitude": 50.0,
-    "last_seen_iso": "2025-09-16T11:39:56Z"
+    "last_seen_iso": "2025-09-16T11:39:56Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!a0cb1608",
@@ -413,7 +451,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-16T11:38:33Z"
+    "last_seen_iso": "2025-09-16T11:38:33Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!194a7351",
@@ -434,7 +474,9 @@
     "longitude": 13.500416,
     "altitude": 39.0,
     "last_seen_iso": "2025-09-16T11:38:28Z",
-    "pos_time_iso": "2025-09-16T05:38:55Z"
+    "pos_time_iso": "2025-09-16T05:38:55Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 10
   },
   {
     "node_id": "!433ad740",
@@ -455,7 +497,9 @@
     "longitude": 13.3255168,
     "altitude": 34.0,
     "last_seen_iso": "2025-09-16T11:38:24Z",
-    "pos_time_iso": "2025-09-16T11:38:24Z"
+    "pos_time_iso": "2025-09-16T11:38:24Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 11
   },
   {
     "node_id": "!da621dbc",
@@ -476,7 +520,9 @@
     "longitude": 13.3332992,
     "altitude": 45.0,
     "last_seen_iso": "2025-09-16T11:38:18Z",
-    "pos_time_iso": "2025-09-16T11:38:18Z"
+    "pos_time_iso": "2025-09-16T11:38:18Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 12
   },
   {
     "node_id": "!14f7692b",
@@ -496,7 +542,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-16T11:37:16Z"
+    "last_seen_iso": "2025-09-16T11:37:16Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!7c5b0920",
@@ -517,7 +565,9 @@
     "longitude": 13.24061,
     "altitude": 160.0,
     "last_seen_iso": "2025-09-16T11:34:20Z",
-    "pos_time_iso": "2025-09-15T14:34:26Z"
+    "pos_time_iso": "2025-09-15T14:34:26Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 14
   },
   {
     "node_id": "!43b6e530",
@@ -538,7 +588,9 @@
     "longitude": 13.3669095,
     "altitude": 0.0,
     "last_seen_iso": "2025-09-16T11:33:30Z",
-    "pos_time_iso": "2025-09-16T11:33:30Z"
+    "pos_time_iso": "2025-09-16T11:33:30Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 10
   },
   {
     "node_id": "!e50b45d8",
@@ -558,7 +610,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-16T11:31:30Z"
+    "last_seen_iso": "2025-09-16T11:31:30Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!db2b13fc",
@@ -578,7 +632,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-16T11:30:44Z"
+    "last_seen_iso": "2025-09-16T11:30:44Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!9ea0c780",
@@ -599,7 +655,9 @@
     "longitude": 13.484032,
     "altitude": 66.0,
     "last_seen_iso": "2025-09-16T11:30:19Z",
-    "pos_time_iso": "2025-09-16T06:40:11Z"
+    "pos_time_iso": "2025-09-16T06:40:11Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 13
   },
   {
     "node_id": "!44968f61",
@@ -620,7 +678,9 @@
     "longitude": 13.500416,
     "altitude": 50.0,
     "last_seen_iso": "2025-09-16T11:29:27Z",
-    "pos_time_iso": "2025-09-12T17:41:29Z"
+    "pos_time_iso": "2025-09-12T17:41:29Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 14
   },
   {
     "node_id": "!9ea1bea4",
@@ -640,7 +700,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-16T11:27:01Z"
+    "last_seen_iso": "2025-09-16T11:27:01Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!fa6baed0",
@@ -661,7 +723,9 @@
     "longitude": 13.3341184,
     "altitude": 65.0,
     "last_seen_iso": "2025-09-16T11:26:26Z",
-    "pos_time_iso": "2025-09-16T11:26:26Z"
+    "pos_time_iso": "2025-09-16T11:26:26Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 11
   },
   {
     "node_id": "!a0cc1800",
@@ -681,7 +745,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-16T11:26:06Z"
+    "last_seen_iso": "2025-09-16T11:26:06Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!d42e18e8",
@@ -701,12 +767,14 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-16T11:24:25Z"
+    "last_seen_iso": "2025-09-16T11:24:25Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!f9b0938c",
     "short_name": "Ed-1",
-    "long_name": "Y35RO Plänterwald ",
+    "long_name": "Y35RO Pl\u00e4nterwald ",
     "hw_model": "TLORA_V2_1_1P6",
     "role": "CLIENT",
     "snr": 11.25,
@@ -722,7 +790,9 @@
     "longitude": 13.4479872,
     "altitude": 36.0,
     "last_seen_iso": "2025-09-16T11:24:00Z",
-    "pos_time_iso": "2025-09-16T11:24:00Z"
+    "pos_time_iso": "2025-09-16T11:24:00Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 14
   },
   {
     "node_id": "!db29aa78",
@@ -743,7 +813,9 @@
     "longitude": 13.3431296,
     "altitude": null,
     "last_seen_iso": "2025-09-16T11:21:37Z",
-    "pos_time_iso": "2025-09-16T11:21:37Z"
+    "pos_time_iso": "2025-09-16T11:21:37Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 10
   },
   {
     "node_id": "!16ced364",
@@ -763,7 +835,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-16T11:21:16Z"
+    "last_seen_iso": "2025-09-16T11:21:16Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!c0c32348",
@@ -784,7 +858,9 @@
     "longitude": 13.4873088,
     "altitude": 365.0,
     "last_seen_iso": "2025-09-16T11:20:24Z",
-    "pos_time_iso": "2025-09-16T11:20:24Z"
+    "pos_time_iso": "2025-09-16T11:20:24Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 12
   },
   {
     "node_id": "!abbdf3f7",
@@ -805,12 +881,14 @@
     "longitude": 13.500416,
     "altitude": 39.0,
     "last_seen_iso": "2025-09-16T11:20:08Z",
-    "pos_time_iso": "2025-09-16T11:20:08Z"
+    "pos_time_iso": "2025-09-16T11:20:08Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 13
   },
   {
     "node_id": "!b03d89fc",
     "short_name": "SEAo",
-    "long_name": "DMSEA Oberschöneweide",
+    "long_name": "DMSEA Obersch\u00f6neweide",
     "hw_model": "HELTEC_V3",
     "role": "CLIENT",
     "snr": 11.5,
@@ -826,7 +904,9 @@
     "longitude": 13.5175972,
     "altitude": null,
     "last_seen_iso": "2025-09-16T11:17:11Z",
-    "pos_time_iso": "2025-09-16T11:06:41Z"
+    "pos_time_iso": "2025-09-16T11:06:41Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 14
   },
   {
     "node_id": "!4eb3bc8d",
@@ -847,7 +927,9 @@
     "longitude": 13.3431296,
     "altitude": 25.0,
     "last_seen_iso": "2025-09-16T11:13:55Z",
-    "pos_time_iso": "2025-09-16T11:13:55Z"
+    "pos_time_iso": "2025-09-16T11:13:55Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 10
   },
   {
     "node_id": "!5d9c7329",
@@ -868,7 +950,9 @@
     "longitude": 13.5138746,
     "altitude": 48.0,
     "last_seen_iso": "2025-09-16T11:12:47Z",
-    "pos_time_iso": "2025-09-16T11:12:47Z"
+    "pos_time_iso": "2025-09-16T11:12:47Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 11
   },
   {
     "node_id": "!0910c922",
@@ -888,7 +972,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-16T11:09:03Z"
+    "last_seen_iso": "2025-09-16T11:09:03Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!db2b2418",
@@ -909,12 +995,14 @@
     "longitude": 13.500416,
     "altitude": 46.0,
     "last_seen_iso": "2025-09-16T11:09:00Z",
-    "pos_time_iso": "2025-09-16T11:09:00Z"
+    "pos_time_iso": "2025-09-16T11:09:00Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 13
   },
   {
     "node_id": "!b03c97a4",
     "short_name": "BLN1",
-    "long_name": "BLNo1 Fhain Süd ",
+    "long_name": "BLNo1 Fhain S\u00fcd ",
     "hw_model": "HELTEC_V3",
     "role": "CLIENT",
     "snr": 12.0,
@@ -930,7 +1018,9 @@
     "longitude": 13.4561792,
     "altitude": 38.0,
     "last_seen_iso": "2025-09-16T11:07:23Z",
-    "pos_time_iso": "2025-09-16T11:07:23Z"
+    "pos_time_iso": "2025-09-16T11:07:23Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 14
   },
   {
     "node_id": "!5bcdae60",
@@ -951,7 +1041,9 @@
     "longitude": 13.4479872,
     "altitude": 53.0,
     "last_seen_iso": "2025-09-16T11:06:48Z",
-    "pos_time_iso": "2025-09-16T11:06:48Z"
+    "pos_time_iso": "2025-09-16T11:06:48Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 10
   },
   {
     "node_id": "!b03d7b74",
@@ -972,7 +1064,9 @@
     "longitude": 13.3029888,
     "altitude": 0.0,
     "last_seen_iso": "2025-09-16T11:05:06Z",
-    "pos_time_iso": "2025-09-16T09:58:12Z"
+    "pos_time_iso": "2025-09-16T09:58:12Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 11
   },
   {
     "node_id": "!a2ed9ab0",
@@ -993,7 +1087,9 @@
     "longitude": 13.3771264,
     "altitude": 82.0,
     "last_seen_iso": "2025-09-16T11:01:31Z",
-    "pos_time_iso": "2025-09-16T11:01:31Z"
+    "pos_time_iso": "2025-09-16T11:01:31Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 12
   },
   {
     "node_id": "!f6b3f9bf",
@@ -1014,7 +1110,9 @@
     "longitude": 13.3431296,
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-    "short_name": "RüP",
-    "long_name": "Rüdesheimer Platz",
+    "short_name": "R\u00fcP",
+    "long_name": "R\u00fcdesheimer Platz",
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     "short_name": "e7dc",
-    "long_name": "Julia Kløckchain",
+    "long_name": "Julia Kl\u00f8ckchain",
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-    "pos_time_iso": "2025-09-16T04:14:50Z"
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-    "short_name": "Kdû",
-    "long_name": "Khazad-dûm",
+    "short_name": "Kd\u00fb",
+    "long_name": "Khazad-d\u00fbm",
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-    "long_name": "(ㆆ_ㆆ)   F0oz",
+    "long_name": "(\u3186_\u3186)   F0oz",
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-    "short_name": "🏡",
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     "node_id": "!2d070d01",
@@ -3014,12 +3306,14 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T22:12:05Z"
+    "last_seen_iso": "2025-09-14T22:12:05Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!9ea12df0",
     "short_name": "Ed-2",
-    "long_name": "Plänti-2",
+    "long_name": "Pl\u00e4nti-2",
     "hw_model": "HELTEC_V3",
     "role": "CLIENT",
     "snr": 11.0,
@@ -3034,7 +3328,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T21:55:51Z"
+    "last_seen_iso": "2025-09-14T21:55:51Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!dc7494c4",
@@ -3055,7 +3351,9 @@
     "longitude": 13.3955584,
     "altitude": 98.0,
     "last_seen_iso": "2025-09-14T21:43:35Z",
-    "pos_time_iso": "2025-09-14T21:43:35Z"
+    "pos_time_iso": "2025-09-14T21:43:35Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 13
   },
   {
     "node_id": "!435b0714",
@@ -3076,7 +3374,9 @@
     "longitude": 13.3955584,
     "altitude": 6.0,
     "last_seen_iso": "2025-09-14T20:11:21Z",
-    "pos_time_iso": "2025-09-14T20:11:01Z"
+    "pos_time_iso": "2025-09-14T20:11:01Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 14
   },
   {
     "node_id": "!fa6a3d6c",
@@ -3097,7 +3397,9 @@
     "longitude": 13.323267,
     "altitude": 20.0,
     "last_seen_iso": "2025-09-14T19:24:49Z",
-    "pos_time_iso": "2025-09-14T19:24:28Z"
+    "pos_time_iso": "2025-09-14T19:24:28Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 10
   },
   {
     "node_id": "!78299711",
@@ -3117,7 +3419,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T17:46:50Z"
+    "last_seen_iso": "2025-09-14T17:46:50Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!7a6bf888",
@@ -3137,7 +3441,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T16:07:26Z"
+    "last_seen_iso": "2025-09-14T16:07:26Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!2fbb1f99",
@@ -3157,7 +3463,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T15:32:22Z"
+    "last_seen_iso": "2025-09-14T15:32:22Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!b03c9678",
@@ -3177,7 +3485,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T15:05:51Z"
+    "last_seen_iso": "2025-09-14T15:05:51Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!43b7c694",
@@ -3198,7 +3508,9 @@
     "longitude": 13.4852833,
     "altitude": null,
     "last_seen_iso": "2025-09-14T14:34:20Z",
-    "pos_time_iso": "2025-09-14T14:34:20Z"
+    "pos_time_iso": "2025-09-14T14:34:20Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 10
   },
   {
     "node_id": "!2448d855",
@@ -3219,12 +3531,14 @@
     "longitude": 13.4709248,
     "altitude": 37.0,
     "last_seen_iso": "2025-09-14T14:29:00Z",
-    "pos_time_iso": "2025-09-14T14:29:00Z"
+    "pos_time_iso": "2025-09-14T14:29:00Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 11
   },
   {
     "node_id": "!6d022fe7",
     "short_name": "ACAB",
-    "long_name": "Køpi Bleibt!!",
+    "long_name": "K\u00f8pi Bleibt!!",
     "hw_model": "RAK4631",
     "role": "CLIENT",
     "snr": -13.5,
@@ -3239,7 +3553,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T14:23:30Z"
+    "last_seen_iso": "2025-09-14T14:23:30Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!abf83f48",
@@ -3259,7 +3575,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T11:12:24Z"
+    "last_seen_iso": "2025-09-14T11:12:24Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!bfbdc5ca",
@@ -3279,7 +3597,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T10:40:33Z"
+    "last_seen_iso": "2025-09-14T10:40:33Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!ba6a8d40",
@@ -3299,7 +3619,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T09:25:40Z"
+    "last_seen_iso": "2025-09-14T09:25:40Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!b03d9170",
@@ -3319,7 +3641,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-14T06:12:04Z"
+    "last_seen_iso": "2025-09-14T06:12:04Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!ba0cae50",
@@ -3340,7 +3664,9 @@
     "longitude": 13.6577024,
     "altitude": 72.0,
     "last_seen_iso": "2025-09-14T02:16:53Z",
-    "pos_time_iso": "2025-09-14T02:11:38Z"
+    "pos_time_iso": "2025-09-14T02:11:38Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 12
   },
   {
     "node_id": "!1bf8ed79",
@@ -3361,11 +3687,13 @@
     "longitude": 13.320192,
     "altitude": 41.0,
     "last_seen_iso": "2025-09-14T02:12:43Z",
-    "pos_time_iso": "2025-09-13T19:30:26Z"
+    "pos_time_iso": "2025-09-13T19:30:26Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 13
   },
   {
     "node_id": "!9ee71b3c",
-    "short_name": "🐸",
+    "short_name": "\ud83d\udc38",
     "long_name": "spuck",
     "hw_model": "HELTEC_V3",
     "role": "CLIENT",
@@ -3381,7 +3709,9 @@
     "latitude": 52.5074432,
     "longitude": 13.500416,
     "altitude": 49.0,
-    "last_seen_iso": "2025-09-14T02:11:02Z"
+    "last_seen_iso": "2025-09-14T02:11:02Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!9ea1af60",
@@ -3402,7 +3732,9 @@
     "longitude": 13.451264,
     "altitude": 36.0,
     "last_seen_iso": "2025-09-14T01:48:27Z",
-    "pos_time_iso": "2025-09-14T01:55:53Z"
+    "pos_time_iso": "2025-09-14T01:55:53Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 10
   },
   {
     "node_id": "!c8b928d6",
@@ -3422,7 +3754,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-13T23:08:27Z"
+    "last_seen_iso": "2025-09-13T23:08:27Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!f9b262d4",
@@ -3443,7 +3777,9 @@
     "longitude": 13.76256,
     "altitude": 0.0,
     "last_seen_iso": "2025-09-13T20:42:10Z",
-    "pos_time_iso": "2025-09-13T20:42:13Z"
+    "pos_time_iso": "2025-09-13T20:42:13Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 12
   },
   {
     "node_id": "!2f91531c",
@@ -3463,7 +3799,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-13T18:03:25Z"
+    "last_seen_iso": "2025-09-13T18:03:25Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!433af570",
@@ -3483,7 +3821,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-13T17:04:37Z"
+    "last_seen_iso": "2025-09-13T17:04:37Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!99bc90a8",
@@ -3503,7 +3843,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-13T16:30:32Z"
+    "last_seen_iso": "2025-09-13T16:30:32Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!5b835c1c",
@@ -3524,7 +3866,9 @@
     "longitude": 13.3431296,
     "altitude": 36.0,
     "last_seen_iso": "2025-09-13T15:14:52Z",
-    "pos_time_iso": "2025-09-13T15:29:15Z"
+    "pos_time_iso": "2025-09-13T15:29:15Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 11
   },
   {
     "node_id": "!f840cb2d",
@@ -3545,11 +3889,13 @@
     "longitude": 13.3955584,
     "altitude": -6.0,
     "last_seen_iso": "2025-09-13T12:48:15Z",
-    "pos_time_iso": "2025-09-13T12:47:58Z"
+    "pos_time_iso": "2025-09-13T12:47:58Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 12
   },
   {
     "node_id": "!336019dc",
-    "short_name": "🥚",
+    "short_name": "\ud83e\udd5a",
     "long_name": "Meshtastic 19dc",
     "hw_model": "LILYGO_TBEAM_S3_CORE",
     "role": "CLIENT",
@@ -3566,7 +3912,9 @@
     "longitude": 13.3502437,
     "altitude": 38.0,
     "last_seen_iso": "2025-09-13T12:41:57Z",
-    "pos_time_iso": "2025-09-13T20:46:47Z"
+    "pos_time_iso": "2025-09-13T20:46:47Z",
+    "location_source": "LOC_FIXTURE_2",
+    "precision_bits": 13
   },
   {
     "node_id": "!17f58f25",
@@ -3586,7 +3934,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-13T12:25:59Z"
+    "last_seen_iso": "2025-09-13T12:25:59Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!b5954cf7",
@@ -3607,12 +3957,14 @@
     "longitude": 13.2907008,
     "altitude": 34.0,
     "last_seen_iso": "2025-09-13T12:08:17Z",
-    "pos_time_iso": "2025-09-13T12:08:11Z"
+    "pos_time_iso": "2025-09-13T12:08:11Z",
+    "location_source": "LOC_FIXTURE_1",
+    "precision_bits": 10
   },
   {
     "node_id": "!ee59338a",
     "short_name": "pizi",
-    "long_name": "Pitztaler Straße Panketal",
+    "long_name": "Pitztaler Stra\u00dfe Panketal",
     "hw_model": "SEEED_SOLAR_NODE",
     "role": "CLIENT",
     "snr": -1.25,
@@ -3627,7 +3979,9 @@
     "latitude": null,
     "longitude": null,
     "altitude": null,
-    "last_seen_iso": "2025-09-13T12:07:26Z"
+    "last_seen_iso": "2025-09-13T12:07:26Z",
+    "location_source": null,
+    "precision_bits": null
   },
   {
     "node_id": "!db2b4f3c",
@@ -3648,6 +4002,8 @@
     "longitude": 13.5241728,
     "altitude": 76.0,
     "last_seen_iso": "2025-09-13T10:25:15Z",
-    "pos_time_iso": "2025-09-13T06:10:46Z"
+    "pos_time_iso": "2025-09-13T06:10:46Z",
+    "location_source": "LOC_FIXTURE_0",
+    "precision_bits": 12
   }
-]
+]
\ No newline at end of file
diff --git a/web/app.rb b/web/app.rb
index 7800cbc..574f3ef 100644
--- a/web/app.rb
+++ b/web/app.rb
@@ -348,6 +348,20 @@ end
 
 init_db unless db_schema_present?
 
+def ensure_schema_upgrades
+  db = open_database
+  node_columns = db.execute("PRAGMA table_info(nodes)").map { |row| row[1] }
+  unless node_columns.include?("precision_bits")
+    db.execute("ALTER TABLE nodes ADD COLUMN precision_bits INTEGER")
+  end
+rescue SQLite3::SQLException => e
+  warn "[warn] failed to apply schema upgrade: #{e.message}"
+ensure
+  db&.close
+end
+
+ensure_schema_upgrades
+
 # Retrieve recently heard nodes ordered by their last contact time.
 #
 # @param limit [Integer] maximum number of rows returned.
@@ -362,7 +376,8 @@ def query_nodes(limit)
     SELECT node_id, short_name, long_name, hw_model, role, snr,
            battery_level, voltage, last_heard, first_heard,
            uptime_seconds, channel_utilization, air_util_tx,
-           position_time, latitude, longitude, altitude
+           position_time, location_source, precision_bits,
+           latitude, longitude, altitude
     FROM nodes
     WHERE last_heard >= ?
   SQL
@@ -386,6 +401,8 @@ def query_nodes(limit)
     r["position_time"] = pt
     r["last_seen_iso"] = Time.at(lh).utc.iso8601 if lh
     r["pos_time_iso"] = Time.at(pt).utc.iso8601 if pt
+    pb = r["precision_bits"]
+    r["precision_bits"] = pb.to_i if pb
   end
   rows
 ensure
@@ -506,6 +523,8 @@ def query_positions(limit)
     end
     pt_val = r["position_time"]
     r["position_time_iso"] = Time.at(pt_val).utc.iso8601 if pt_val
+    pb = r["precision_bits"]
+    r["precision_bits"] = pb.to_i if pb
   end
   rows
 ensure
@@ -874,6 +893,11 @@ def upsert_node(db, node_id, n)
     met["uptimeSeconds"],
     pt,
     pos["locationSource"],
+    coerce_integer(
+      pos["precisionBits"] ||
+      pos["precision_bits"] ||
+      pos.dig("raw", "precision_bits"),
+    ),
     pos["latitude"],
     pos["longitude"],
     pos["altitude"],
@@ -882,8 +906,8 @@ def upsert_node(db, node_id, n)
     db.execute <<~SQL, row
                  INSERT INTO nodes(node_id,num,short_name,long_name,macaddr,hw_model,role,public_key,is_unmessagable,is_favorite,
                                    hops_away,snr,last_heard,first_heard,battery_level,voltage,channel_utilization,air_util_tx,uptime_seconds,
-                                   position_time,location_source,latitude,longitude,altitude)
-                 VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
+                                   position_time,location_source,precision_bits,latitude,longitude,altitude)
+                 VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
                  ON CONFLICT(node_id) DO UPDATE SET
                    num=excluded.num, short_name=excluded.short_name, long_name=excluded.long_name, macaddr=excluded.macaddr,
                    hw_model=excluded.hw_model, role=excluded.role, public_key=excluded.public_key, is_unmessagable=excluded.is_unmessagable,
@@ -891,7 +915,7 @@ def upsert_node(db, node_id, n)
                    first_heard=COALESCE(nodes.first_heard, excluded.first_heard, excluded.last_heard),
                    battery_level=excluded.battery_level, voltage=excluded.voltage, channel_utilization=excluded.channel_utilization,
                    air_util_tx=excluded.air_util_tx, uptime_seconds=excluded.uptime_seconds, position_time=excluded.position_time,
-                   location_source=excluded.location_source, latitude=excluded.latitude, longitude=excluded.longitude,
+                   location_source=excluded.location_source, precision_bits=excluded.precision_bits, latitude=excluded.latitude, longitude=excluded.longitude,
                    altitude=excluded.altitude
                  WHERE COALESCE(excluded.last_heard,0) >= COALESCE(nodes.last_heard,0)
                SQL
@@ -963,8 +987,9 @@ end
 # @param latitude [Float, nil] reported latitude.
 # @param longitude [Float, nil] reported longitude.
 # @param altitude [Float, nil] reported altitude.
+# @param precision_bits [Integer, nil] precision estimate provided by the device.
 # @param snr [Float, nil] link SNR for the packet.
-def update_node_from_position(db, node_id, node_num, rx_time, position_time, location_source, latitude, longitude, altitude, snr)
+def update_node_from_position(db, node_id, node_num, rx_time, position_time, location_source, precision_bits, latitude, longitude, altitude, snr)
   num = coerce_integer(node_num)
   id = string_or_nil(node_id)
   if id&.start_with?("!")
@@ -985,6 +1010,7 @@ def update_node_from_position(db, node_id, node_num, rx_time, position_time, loc
   lat = coerce_float(latitude)
   lon = coerce_float(longitude)
   alt = coerce_float(altitude)
+  precision = coerce_integer(precision_bits)
   snr_val = coerce_float(snr)
 
   row = [
@@ -994,6 +1020,7 @@ def update_node_from_position(db, node_id, node_num, rx_time, position_time, loc
     last_heard,
     pos_time,
     loc,
+    precision,
     lat,
     lon,
     alt,
@@ -1001,8 +1028,8 @@ def update_node_from_position(db, node_id, node_num, rx_time, position_time, loc
   ]
   with_busy_retry do
     db.execute <<~SQL, row
-                 INSERT INTO nodes(node_id,num,last_heard,first_heard,position_time,location_source,latitude,longitude,altitude,snr)
-                 VALUES (?,?,?,?,?,?,?,?,?,?)
+                 INSERT INTO nodes(node_id,num,last_heard,first_heard,position_time,location_source,precision_bits,latitude,longitude,altitude,snr)
+                 VALUES (?,?,?,?,?,?,?,?,?,?,?)
                  ON CONFLICT(node_id) DO UPDATE SET
                    num=COALESCE(excluded.num,nodes.num),
                    snr=COALESCE(excluded.snr,nodes.snr),
@@ -1019,6 +1046,12 @@ def update_node_from_position(db, node_id, node_num, rx_time, position_time, loc
                        THEN excluded.location_source
                      ELSE nodes.location_source
                    END,
+                   precision_bits=CASE
+                     WHEN COALESCE(excluded.position_time,0) >= COALESCE(nodes.position_time,0)
+                          AND excluded.precision_bits IS NOT NULL
+                       THEN excluded.precision_bits
+                     ELSE nodes.precision_bits
+                   END,
                    latitude=CASE
                      WHEN COALESCE(excluded.position_time,0) >= COALESCE(nodes.position_time,0)
                           AND excluded.latitude IS NOT NULL
@@ -1212,6 +1245,7 @@ def insert_position(db, payload)
     rx_time,
     position_time,
     location_source,
+    precision_bits,
     lat,
     lon,
     alt,
diff --git a/web/spec/app_spec.rb b/web/spec/app_spec.rb
index c31a9fe..d89be9c 100644
--- a/web/spec/app_spec.rb
+++ b/web/spec/app_spec.rb
@@ -77,6 +77,8 @@ RSpec.describe "Potato Mesh Sinatra app" do
       "latitude" => node["latitude"],
       "longitude" => node["longitude"],
       "altitude" => node["altitude"],
+      "locationSource" => node["location_source"],
+      "precisionBits" => node["precision_bits"],
     )
     payload["position"] = position unless position.empty?
 
@@ -104,6 +106,8 @@ RSpec.describe "Potato Mesh Sinatra app" do
       "channel_utilization" => node["channel_utilization"],
       "air_util_tx" => node["air_util_tx"],
       "position_time" => node["position_time"],
+      "location_source" => node["location_source"],
+      "precision_bits" => node["precision_bits"],
       "latitude" => node["latitude"],
       "longitude" => node["longitude"],
       "altitude" => node["altitude"],
@@ -717,7 +721,7 @@ RSpec.describe "Potato Mesh Sinatra app" do
         with_db(readonly: true) do |db|
           db.results_as_hash = true
           node_row = db.get_first_row(
-            "SELECT last_heard, position_time, latitude, longitude, altitude, location_source, snr FROM nodes WHERE node_id = ?",
+            "SELECT last_heard, position_time, latitude, longitude, altitude, location_source, precision_bits, snr FROM nodes WHERE node_id = ?",
             [node_id],
           )
           expect(node_row["last_heard"]).to eq(rx_time)
@@ -726,6 +730,7 @@ RSpec.describe "Potato Mesh Sinatra app" do
           expect_same_value(node_row["longitude"], 13.4)
           expect_same_value(node_row["altitude"], 42.0)
           expect(node_row["location_source"]).to eq("LOC_INTERNAL")
+          expect(node_row["precision_bits"]).to eq(15)
           expect_same_value(node_row["snr"], -8.5)
         end
       end
@@ -1405,6 +1410,8 @@ RSpec.describe "Potato Mesh Sinatra app" do
         expect_same_value(actual_row["channel_utilization"], expected["channel_utilization"])
         expect_same_value(actual_row["air_util_tx"], expected["air_util_tx"])
         expect_same_value(actual_row["position_time"], expected["position_time"])
+        expect(actual_row["location_source"]).to eq(expected["location_source"])
+        expect_same_value(actual_row["precision_bits"], expected["precision_bits"])
         expect_same_value(actual_row["latitude"], expected["latitude"])
         expect_same_value(actual_row["longitude"], expected["longitude"])
         expect_same_value(actual_row["altitude"], expected["altitude"])
@@ -1664,6 +1671,8 @@ RSpec.describe "Potato Mesh Sinatra app" do
           "position_time" => rx_time - 5,
           "latitude" => 52.0 + idx,
           "longitude" => 13.0 + idx,
+          "location_source" => "LOC_TEST",
+          "precision_bits" => 7 + idx,
           "payload_b64" => "AQI=",
         }
         post "/api/positions", payload.to_json, auth_headers
@@ -1684,6 +1693,8 @@ RSpec.describe "Potato Mesh Sinatra app" do
       expect(entry["position_time_iso"]).to eq(Time.at(rx_times.last - 5).utc.iso8601)
       expect(entry["latitude"]).to eq(53.0)
       expect(entry["longitude"]).to eq(14.0)
+      expect(entry["location_source"]).to eq("LOC_TEST")
+      expect(entry["precision_bits"]).to eq(8)
       expect(entry["payload_b64"]).to eq("AQI=")
     end
   end
diff --git a/web/views/index.erb b/web/views/index.erb
index bf6a127..33fd9dd 100644
--- a/web/views/index.erb
+++ b/web/views/index.erb
@@ -1813,12 +1813,88 @@ var(--fg); }
       return r.json();
     }
 
+    async function fetchPositions(limit = NODE_LIMIT) {
+      const r = await fetch(`/api/positions?limit=${limit}`, { cache: 'no-store' });
+      if (!r.ok) throw new Error('HTTP ' + r.status);
+      return r.json();
+    }
+
     function toFiniteNumber(value) {
       if (value == null || value === '') return null;
       const num = typeof value === 'number' ? value : Number(value);
       return Number.isFinite(num) ? num : null;
     }
 
+    function resolveTimestampSeconds(numeric, isoString) {
+      const parsedNumeric = toFiniteNumber(numeric);
+      if (parsedNumeric != null) return parsedNumeric;
+      if (typeof isoString === 'string' && isoString.length) {
+        const parsedIso = Date.parse(isoString);
+        if (Number.isFinite(parsedIso)) {
+          return parsedIso / 1000;
+        }
+      }
+      return null;
+    }
+
+    function mergePositionsIntoNodes(nodes, positions) {
+      if (!Array.isArray(nodes) || !Array.isArray(positions) || nodes.length === 0) return;
+
+      const nodesById = new Map();
+      for (const node of nodes) {
+        if (!node || typeof node !== 'object') continue;
+        const key = typeof node.node_id === 'string' ? node.node_id : null;
+        if (key) nodesById.set(key, node);
+      }
+
+      if (nodesById.size === 0) return;
+
+      const updated = new Set();
+      for (const pos of positions) {
+        if (!pos || typeof pos !== 'object') continue;
+        const nodeId = typeof pos.node_id === 'string' ? pos.node_id : null;
+        if (!nodeId || updated.has(nodeId)) continue;
+        const node = nodesById.get(nodeId);
+        if (!node) continue;
+
+        const lat = toFiniteNumber(pos.latitude);
+        const lon = toFiniteNumber(pos.longitude);
+        if (lat == null || lon == null) continue;
+
+        const currentTimestamp = resolveTimestampSeconds(node.position_time, node.pos_time_iso);
+        const incomingTimestamp = resolveTimestampSeconds(pos.position_time, pos.position_time_iso);
+        if (currentTimestamp != null) {
+          if (incomingTimestamp == null || incomingTimestamp <= currentTimestamp) {
+            continue;
+          }
+        }
+
+        updated.add(nodeId);
+        node.latitude = lat;
+        node.longitude = lon;
+
+        const alt = toFiniteNumber(pos.altitude);
+        if (alt != null) node.altitude = alt;
+
+        const posTime = toFiniteNumber(pos.position_time);
+        if (posTime != null) {
+          node.position_time = posTime;
+          node.pos_time_iso = typeof pos.position_time_iso === 'string' && pos.position_time_iso.length
+            ? pos.position_time_iso
+            : new Date(posTime * 1000).toISOString();
+        } else if (typeof pos.position_time_iso === 'string' && pos.position_time_iso.length) {
+          node.pos_time_iso = pos.position_time_iso;
+        }
+
+        if (pos.location_source != null && pos.location_source !== '') {
+          node.location_source = pos.location_source;
+        }
+
+        const precision = toFiniteNumber(pos.precision_bits);
+        if (precision != null) node.precision_bits = precision;
+      }
+    }
+
     function buildTelemetryIndex(entries) {
       const byNodeId = new Map();
       const byNodeNum = new Map();
@@ -1938,6 +2014,8 @@ var(--fg); }
       const frag = document.createDocumentFragment();
       for (const n of nodes) {
         const tr = document.createElement('tr');
+        const lastPositionTime = toFiniteNumber(n.position_time ?? n.positionTime);
+        const lastPositionCell = lastPositionTime != null ? timeAgo(lastPositionTime, nowSec) : '';
         tr.innerHTML = `
           <td class="mono">${n.node_id || ""}</td>
           <td>${renderShortHtml(n.short_name, n.role, n.long_name, n)}</td>
@@ -1956,7 +2034,7 @@ var(--fg); }
           <td>${fmtCoords(n.latitude)}</td>
           <td>${fmtCoords(n.longitude)}</td>
           <td>${fmtAlt(n.altitude, "m")}</td>
-          <td class="mono">${n.pos_time_iso ? `${timeAgo(n.position_time, nowSec)}` : ""}</td>`;
+          <td class="mono">${lastPositionCell}</td>`;
         frag.appendChild(tr);
       }
       tb.replaceChildren(frag);
@@ -2112,8 +2190,9 @@ var(--fg); }
         if (n.last_heard) {
           lines.push(`Last seen: ${timeAgo(n.last_heard, nowSec)}`);
         }
-        if (n.pos_time_iso) {
-          lines.push(`Last Position: ${timeAgo(n.position_time, nowSec)}`);
+        const lastPositionTime = toFiniteNumber(n.position_time ?? n.positionTime);
+        if (lastPositionTime != null) {
+          lines.push(`Last Position: ${timeAgo(lastPositionTime, nowSec)}`);
         }
         if (n.uptime_seconds) {
           lines.push(`Uptime: ${timeHum(n.uptime_seconds)}`);
@@ -2208,13 +2287,19 @@ var(--fg); }
           console.warn('telemetry refresh failed; continuing without telemetry', err);
           return [];
         });
-        const [nodes, neighborTuples, messages, telemetryEntries] = await Promise.all([
+        const positionsPromise = fetchPositions().catch(err => {
+          console.warn('position refresh failed; continuing without updates', err);
+          return [];
+        });
+        const [nodes, positions, neighborTuples, messages, telemetryEntries] = await Promise.all([
           fetchNodes(),
+          positionsPromise,
           neighborPromise,
           fetchMessages(),
           telemetryPromise,
         ]);
         nodes.forEach(applyNodeNameFallback);
+        mergePositionsIntoNodes(nodes, positions);
         computeDistances(nodes);
         mergeTelemetryIntoNodes(nodes, telemetryEntries);
         if (Array.isArray(messages)) {