Packet #39277180 Success
POSITION_APP packet from !35816a89 to !335d94dc
45
Total Receptions
1
Unique Gateways
1
Hop Count
33
Payload Bytes
Packet Information
| Database ID: | 39277180 |
|---|---|
| Mesh Packet ID: |
0xbdb7b0b0
Used for correlation across gateways |
| Timestamp: | 2026-05-15 18:48:14 UTC |
| From Node: | !35816a89 (6a89) |
| To Node: | !335d94dc (94dc) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | VA1VAN_902A (902A) |
|---|---|
| Channel: | ShortFast |
| RSSI: | -109 dBm |
| SNR: | -0.5 dBm |
| Hop Info: |
1/3 hops
Start: 3, Limit: 2 |
| Relay Node: |
f4
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: POSITION_APP
Size: 33 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 44.793856° |
|---|---|
| Longitude: | -63.720653° |
| Altitude: | 139 m |
| Satellites: | 12 |
| Precision: | 15 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: | 33 bytes |
|---|---|
| Gateway: | !ba0cb630 |
| Channel: | ShortFast |
| Payload Type: | POSITION_APP |
| Hop Count: | 1 / 3 |
Privacy Summary
Exposure Level:
Direct Message
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
+ 1 more...
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!ba0cb630
Node ID format |
channel_id |
ShortFast
|
packet |
MeshPacket (33 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
897673865
Source node ID |
uint32 |
to |
861770972
Target node ID |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
33 bytes
|
size |
hop_limit |
2
Remaining hops allowed |
uint32 |
hop_start |
3
Initial hop limit |
uint32 |
hops_taken |
1
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-109.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-0.50 dB
Signal quality at gateway |
float |
rx_time |
1778870225
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 |
244
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778870894.859187
Unix timestamp |
uint32 |
MQTT Privacy & Exposure Analysis
Analysis of privacy features and exposure risks when packet is shared via MQTT
Exposure Level: Direct Message
Privacy Features:
- ✓ Direct LoRa transmission (not via MQTT)
- ✓ Targeted to specific node
- ✓ Custom channel: ShortFast
- ✓ Gateway node ID tracked
- ✓ Reduced position precision: ~729.0m accuracy
Exposure Risks:
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (1 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !ba0cb630 |
| Position Precision: | 15 bits (~729.0m accuracy) |
| Position precision meters: | 729.0 |
| Signal Metrics: |
RSSI: -109.0 dBm SNR: -0.50 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 33 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 44.793856,
"longitude": -63.7206528,
"altitude": 139,
"sats_in_view": 12,
"precision_bits": 15
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!ba0cb630",
"channel_id": "ShortFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 897673865,
"to": 861770972,
"id": 3182932144,
"rx_time": 1778870225,
"rx_snr": -0.5,
"rx_rssi": -109,
"hop_limit": 2,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 244,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d0000b31a15000005da188b0125eb67076a28025870780080010098010cb8010f",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 447938560,
"longitude_i": -637206528,
"altitude": 139,
"time": 1778870251,
"location_source": "LOC_INTERNAL",
"PDOP": 112,
"ground_speed": 0,
"ground_track": 0,
"sats_in_view": 12,
"precision_bits": 15,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (33 bytes)
0d0000b31a15000005da188b0125eb67076a28025870780080010098010cb8010f
Hex Analysis:
| Size: | 33 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 |
|---|---|---|---|---|---|---|---|---|
| VA1VAN_902A (902A) Primary |
0.000s
Reference |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | Current |
| VA1VAN_902A (902A) |
-0.314s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.303s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.292s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.281s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.271s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.260s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.249s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.237s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.224s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.212s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.200s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.183s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.171s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.160s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.148s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.137s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.126s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.115s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.104s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.093s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.083s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.072s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
MediumFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.061s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.049s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.037s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.025s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
-0.012s
Before |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.012s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.024s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.036s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.046s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.056s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortFast | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.067s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.077s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.088s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.099s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.110s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.120s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.132s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:14 UTC | View |
| VA1VAN_902A (902A) |
+0.144s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:15 UTC | View |
| VA1VAN_902A (902A) |
+0.156s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:15 UTC | View |
| VA1VAN_902A (902A) |
+0.169s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:15 UTC | View |
| VA1VAN_902A (902A) |
+0.181s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
ShortTurbo | 2026-05-15 18:48:15 UTC | View |
| VA1VAN_902A (902A) |
+0.193s
After |
-109.0 dBm | -0.50 dB | 1 |
f4
|
LongFast | 2026-05-15 18:48:15 UTC | View |
45
Total Receptions
1
Unique Gateways