Packet #39486110 Success
POSITION_APP packet from Junction_SolarBase1 (🚂) to !ffffffff
48
Total Receptions
4
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
| Database ID: | 39486110 |
|---|---|
| Mesh Packet ID: |
0x5c3049a2
Used for correlation across gateways |
| Timestamp: | 2026-05-16 07:36:03 UTC |
| From Node: | Junction_SolarBase1 (🚂) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | Seri Base d120 (SRB) |
|---|---|
| Channel: | LongFast |
| RSSI: | -50 dBm |
| SNR: | 7.75 dBm |
| Hop Info: |
3/3 hops
Start: 3, Limit: 0 |
| Relay Node: |
18
KWBP
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: 28 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 43.535565° |
|---|---|
| Longitude: | -80.261939° |
| Altitude: | 331 m |
| 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: | 28 bytes |
|---|---|
| Gateway: | !16ced120 |
| Channel: | LongFast |
| Payload Type: | POSITION_APP |
| Hop Count: | 3 / 3 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!16ced120
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (28 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
2591807324
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
28 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 |
-50.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
7.75 dB
Signal quality at gateway |
float |
rx_time |
1778916962
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 |
24
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778916963.1664402
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)
- ✓ Gateway node ID tracked
- ✓ Reduced position precision: ~729.0m accuracy
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Default channel - no encryption
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (3 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !16ced120 |
| Position Precision: | 15 bits (~729.0m accuracy) |
| Position precision meters: | 729.0 |
| Signal Metrics: |
RSSI: -50.0 dBm SNR: 7.75 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 28 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 43.5355648,
"longitude": -80.2619392,
"altitude": 331,
"sats_in_view": null,
"precision_bits": 15
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!16ced120",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 2591807324,
"to": 4294967295,
"id": 1546668450,
"rx_time": 1778916962,
"rx_snr": 7.75,
"rx_rssi": -50,
"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": 24,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d0000f31915000029d018cb02255d1e086a28017800800100b8010f",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 435355648,
"longitude_i": -802619392,
"altitude": 331,
"time": 1778916957,
"location_source": "LOC_MANUAL",
"ground_speed": 0,
"ground_track": 0,
"precision_bits": 15,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (28 bytes)
0d0000f31915000029d018cb02255d1e086a28017800800100b8010f
Hex Analysis:
| Size: | 28 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 |
|---|---|---|---|---|---|---|---|---|
| Seri Base d120 (SRB) Primary |
0.000s
Reference |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | Current |
| neoSG2 https://canadaverse.org/ (🎐) |
-2.941s
Before |
-94.0 dBm | -1.25 dB | 1 |
5b
|
LongFast | 2026-05-16 07:36:00 UTC | View |
| Meshtastic 7c50 (7c50) |
-1.819s
Before |
-118.0 dBm | -13.00 dB | 1 |
5b
|
LongFast | 2026-05-16 07:36:01 UTC | View |
| VE3WNP-12 (WNP) |
-1.512s
Before |
-72.0 dBm | 6.25 dB | 2 |
68
WNPr
|
LongFast | 2026-05-16 07:36:01 UTC | View |
| Seri Base d120 (SRB) |
-0.044s
Before |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
-0.020s
Before |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
-0.010s
Before |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.010s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.021s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.031s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.041s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.052s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.063s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.075s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.087s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.099s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.110s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.122s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.133s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.144s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.155s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.165s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.176s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.187s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.197s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
MediumFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.208s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.218s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.229s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.241s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.253s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.265s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.277s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.288s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.299s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.311s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.322s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortFast | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.333s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.344s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.354s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.365s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.375s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.386s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.396s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.407s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.419s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.431s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.443s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
ShortTurbo | 2026-05-16 07:36:03 UTC | View |
| Seri Base d120 (SRB) |
+0.455s
After |
-50.0 dBm | 7.75 dB | 3 |
18
KWBP
|
LongFast | 2026-05-16 07:36:03 UTC | View |
48
Total Receptions
4
Unique Gateways