Packet #18904401 Success
POSITION_APP packet from !e0d034dc to !ffffffff
45
Total Receptions
1
Unique Gateways
3
Hop Count
36
Payload Bytes
Packet Information
| Database ID: | 18904401 |
|---|---|
| Mesh Packet ID: |
0xaf326373
Used for correlation across gateways |
| Timestamp: | 2026-03-30 00:42:50 UTC |
| From Node: | !e0d034dc (34dc) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | FourSisters (4sis) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -112 dBm |
| SNR: | -7.0 dBm |
| Hop Info: |
3/3 hops
Start: 3, Limit: 0 |
| Relay Node: |
c4
90c4
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions |
Payload Data
Protocol: POSITION_APP
Size: 36 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 49.318215° |
|---|---|
| Longitude: | -123.070804° |
| Altitude: | 49 m |
| Satellites: | 5 |
| Precision: | 32 bits |
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysisPacket Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
| Total Size: | 36 bytes |
|---|---|
| Gateway: | !a0cb14e8 |
| Channel: | MediumFast |
| Payload Type: | POSITION_APP |
| Hop Count: | 3 / 3 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!a0cb14e8
Node ID format |
channel_id |
MediumFast
|
packet |
MeshPacket (36 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
3771741404
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
36 bytes
|
size |
hop_limit |
Not set | uint32 |
hop_start |
3
Initial hop limit |
uint32 |
hops_taken |
3
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-112.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-7.00 dB
Signal quality at gateway |
float |
rx_time |
1774831364
Receive timestamp |
fixed32 |
via_mqtt |
False
Direct LoRa transmission |
bool |
want_ack |
False
No ACK requested |
bool |
priority |
Not set | enum |
delayed |
Not set | enum |
channel |
Not set | uint32 |
pki_encrypted |
False
Standard encryption |
bool |
next_hop |
Not set | uint32 |
relay_node |
196
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774831370.0806322
Unix timestamp |
uint32 |
MQTT Privacy & Exposure Analysis
Analysis of privacy features and exposure risks when packet is shared via MQTT
Exposure Level: Broadcast
Privacy Features:
- ✓ Direct LoRa transmission (not via MQTT)
- ✓ Custom channel: MediumFast
- ✓ Gateway node ID tracked
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
- ⚠ Full GPS precision shared
- ⚠ Multi-hop path visible (3 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !a0cb14e8 |
| Position Precision: | 32 bits (~1.0m accuracy) |
| Position precision meters: | 1.0 |
| Signal Metrics: |
RSSI: -112.0 dBm SNR: -7.00 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 36 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 49.3182151,
"longitude": -123.0708043,
"altitude": 49,
"sats_in_view": 5,
"precision_bits": 32
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!a0cb14e8",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 3771741404,
"to": 4294967295,
"id": 2939315059,
"rx_time": 1774831364,
"rx_snr": -7.0,
"rx_rssi": -112,
"hop_limit": 0,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 196,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0dc75c651d15b5e2a4b6183125f9c6c969280258840278018001b08d9105980105b80120",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 493182151,
"longitude_i": -1230708043,
"altitude": 49,
"time": 1774831353,
"location_source": "LOC_INTERNAL",
"PDOP": 260,
"ground_speed": 1,
"ground_track": 10766000,
"sats_in_view": 5,
"precision_bits": 32,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (36 bytes)
0dc75c651d15b5e2a4b6183125f9c6c969280258840278018001b08d9105980105b80120
Hex Analysis:
| Size: | 36 bytes |
|---|---|
| Format: | Protobuf (Protocol Buffers) |
| Encoding: | Binary with varint and length-delimited fields |
This is the raw protobuf-encoded payload as received from MQTT.
The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packetCorrelation: Using Mesh Packet ID
Reception Locations
Loading...
Loading reception map...
Map shows gateway locations that received this packet. Hop counts are displayed if available.
| Gateway | Time Offset | RSSI | SNR | Hops | Relay | Channel | Timestamp | Actions |
|---|---|---|---|---|---|---|---|---|
| FourSisters (4sis) Primary |
0.000s
Reference |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:50 UTC | Current |
| FourSisters (4sis) |
-0.406s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.388s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.369s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.350s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.328s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.301s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.289s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.272s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.252s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.233s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.215s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.197s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.179s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.160s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.139s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.120s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.091s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:49 UTC | View |
| FourSisters (4sis) |
-0.074s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
-0.056s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
-0.038s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
-0.020s
Before |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
MediumFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.011s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.029s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.046s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.066s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.085s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.094s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.111s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.130s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.148s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.188s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.208s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortFast | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.292s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.337s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.413s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.494s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.644s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.696s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.729s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.819s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.840s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.860s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.879s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
ShortTurbo | 2026-03-30 00:42:50 UTC | View |
| FourSisters (4sis) |
+0.945s
After |
-112.0 dBm | -7.00 dB | 3 |
c4
90c4
|
LongFast | 2026-03-30 00:42:51 UTC | View |
45
Total Receptions
1
Unique Gateways