Packet #39448291 Success
POSITION_APP packet from ancilla.devterm (ancd) to !ffffffff
50
Total Receptions
6
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
| Database ID: | 39448291 |
|---|---|
| Mesh Packet ID: |
0x0c7c8ae1
Used for correlation across gateways |
| Timestamp: | 2026-05-16 05:24:11 UTC |
| From Node: | ancilla.devterm (ancd) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | Seri Base d120 (SRB) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -111 dBm |
| SNR: | -9.25 dBm |
| Hop Info: |
3/7 hops
Start: 7, Limit: 4 |
| Relay Node: |
5b
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: POSITION_APP
Size: 28 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 43.542118° |
|---|---|
| Longitude: | -80.294707° |
| Altitude: | 350 m |
| Precision: | 13 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: | MediumFast |
| Payload Type: | POSITION_APP |
| Hop Count: | 3 / 7 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!16ced120
Node ID format |
channel_id |
MediumFast
|
packet |
MeshPacket (28 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
3935297440
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 |
4
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
3
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-111.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-9.25 dB
Signal quality at gateway |
float |
rx_time |
1778909050
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 |
91
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778909051.3459573
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
- ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ 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: | 13 bits (~2900.0m accuracy) |
| Position precision meters: | 2900.0 |
| Signal Metrics: |
RSSI: -111.0 dBm SNR: -9.25 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": 43.5421184,
"longitude": -80.2947072,
"altitude": 350,
"sats_in_view": null,
"precision_bits": 13
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!16ced120",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 3935297440,
"to": 4294967295,
"id": 209488609,
"rx_time": 1778909050,
"rx_snr": -9.25,
"rx_rssi": -111,
"hop_limit": 4,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 91,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d0000f41915000024d018de022570ff076a28017800800100b8010d",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 435421184,
"longitude_i": -802947072,
"altitude": 350,
"time": 1778909040,
"location_source": "LOC_MANUAL",
"ground_speed": 0,
"ground_track": 0,
"precision_bits": 13,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (28 bytes)
0d0000f41915000024d018de022570ff076a28017800800100b8010d
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 |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | Current |
| Seri Base d120 (SRB) |
-0.188s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.177s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.167s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.155s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.143s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.131s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.117s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.105s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.093s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.078s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.066s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.055s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | View |
| neoSG2 https://canadaverse.org/ (🎐) |
-0.044s
Before |
-94.0 dBm | -0.75 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.033s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.022s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
-0.012s
Before |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.011s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.022s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.032s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.044s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.056s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.068s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
MediumFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.080s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.092s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.103s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.117s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.130s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.142s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.152s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.164s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.174s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.185s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.195s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortFast | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.206s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.217s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.228s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.241s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.254s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.266s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.277s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.290s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.303s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.315s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.325s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
ShortTurbo | 2026-05-16 05:24:11 UTC | View |
| Seri Base d120 (SRB) |
+0.337s
After |
-111.0 dBm | -9.25 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:11 UTC | View |
| Meshtastic 7c50 (7c50) |
+1.389s
After |
-119.0 dBm | -12.50 dB | 3 |
5b
|
LongFast | 2026-05-16 05:24:12 UTC | View |
| Eco-Monkey LLP (mnky) |
+1.955s
After |
-82.0 dBm | -2.75 dB | -2 | - | LongFast | 2026-05-16 05:24:13 UTC | View |
| VE3WNP-12 (WNP) |
+1.969s
After |
-74.0 dBm | 5.75 dB | 4 |
68
WNPr
|
LongFast | 2026-05-16 05:24:13 UTC | View |
| VE3WNP-11 (TGWN) |
+1.980s
After |
-117.0 dBm | -9.00 dB | 3 |
3d
|
LongFast | 2026-05-16 05:24:13 UTC | View |
50
Total Receptions
6
Unique Gateways