Packet #39486761 Success
POSITION_APP packet from VA3CKI R 1c00 (1c00) to !ffffffff
45
Total Receptions
1
Unique Gateways
2
Hop Count
20
Payload Bytes
Packet Information
| Database ID: | 39486761 |
|---|---|
| Mesh Packet ID: |
0x90ef7c51
Used for correlation across gateways |
| Timestamp: | 2026-05-16 07:38:48 UTC |
| From Node: | VA3CKI R 1c00 (1c00) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | Bionicandroid 2 (DAN) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -86 dBm |
| SNR: | 4.0 dBm |
| Hop Info: |
2/3 hops
Start: 3, Limit: 1 |
| Relay Node: |
8a
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: POSITION_APP
Size: 20 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 43.838669° |
|---|---|
| Longitude: | -79.460762° |
| Precision: | 17 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: | 20 bytes |
|---|---|
| Gateway: | !b03d10e4 |
| Channel: | MediumFast |
| Payload Type: | POSITION_APP |
| Hop Count: | 2 / 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 |
!b03d10e4
Node ID format |
channel_id |
MediumFast
|
packet |
MeshPacket (20 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
70458368
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
20 bytes
|
size |
hop_limit |
1
Remaining hops allowed |
uint32 |
hop_start |
3
Initial hop limit |
uint32 |
hops_taken |
2
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-86.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
4.00 dB
Signal quality at gateway |
float |
rx_time |
1778917126
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 |
138
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778917128.1976187
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 (2 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !b03d10e4 |
| Position Precision: | 17 bits (~182.0m accuracy) |
| Position precision meters: | 182.0 |
| Signal Metrics: |
RSSI: -86.0 dBm SNR: 4.00 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 20 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 43.8386688,
"longitude": -79.4607616,
"altitude": null,
"sats_in_view": null,
"precision_bits": 17
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!b03d10e4",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 70458368,
"to": 4294967295,
"id": 2431614033,
"rx_time": 1778917126,
"rx_snr": 4.0,
"rx_rssi": -86,
"hop_limit": 1,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 138,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d0040211a150040a3d025f81e086a2801b80111",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 438386688,
"longitude_i": -794607616,
"time": 1778917112,
"location_source": "LOC_MANUAL",
"precision_bits": 17,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (20 bytes)
0d0040211a150040a3d025f81e086a2801b80111
Hex Analysis:
| Size: | 20 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 |
|---|---|---|---|---|---|---|---|---|
| Bionicandroid 2 (DAN) Primary |
0.000s
Reference |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | Current |
| Bionicandroid 2 (DAN) |
-0.207s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:47 UTC | View |
| Bionicandroid 2 (DAN) |
-0.183s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.171s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.160s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.149s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.139s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.128s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.117s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.106s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.094s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.082s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.070s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.058s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.046s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.034s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.022s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
-0.011s
Before |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.011s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.028s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.047s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.058s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
MediumFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.069s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.081s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.092s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.103s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.115s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.127s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.140s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.152s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.164s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.177s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.189s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortFast | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.200s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.211s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.222s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.233s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.243s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.254s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.264s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.275s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.287s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.300s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.312s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
ShortTurbo | 2026-05-16 07:38:48 UTC | View |
| Bionicandroid 2 (DAN) |
+0.324s
After |
-86.0 dBm | 4.00 dB | 2 |
8a
|
LongFast | 2026-05-16 07:38:48 UTC | View |
45
Total Receptions
1
Unique Gateways