Packet #17797751 Success
POSITION_APP packet from VE3FTS-915MHz (AT91) to !ffffffff
45
Total Receptions
1
Unique Gateways
2
Hop Count
37
Payload Bytes
Packet Information
| Database ID: | 17797751 |
|---|---|
| Mesh Packet ID: |
0x9ca166fc
Used for correlation across gateways |
| Timestamp: | 2026-03-27 09:43:37 UTC |
| From Node: | VE3FTS-915MHz (AT91) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | Woods Mesh 🌲 (WUDZ) |
|---|---|
| Channel: | LongFast |
| RSSI: | -43 dBm |
| SNR: | 6.0 dBm |
| Hop Info: |
2/5 hops
Start: 5, Limit: 3 |
| Relay Node: |
34
📡
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: 37 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 43.004723° |
|---|---|
| Longitude: | -81.225318° |
| Altitude: | 208 m |
| Satellites: | 5 |
| Precision: | 14 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: | 37 bytes |
|---|---|
| Gateway: | !9e7728c4 |
| Channel: | LongFast |
| Payload Type: | POSITION_APP |
| Hop Count: | 2 / 5 |
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:
âš Visible to all nodes on channel
âš Default channel - no encryption
+ 3 more...
âš Visible to all nodes on channel
âš Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!9e7728c4
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (37 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1819540892
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
37 bytes
|
size |
hop_limit |
3
Remaining hops allowed |
uint32 |
hop_start |
5
Initial hop limit |
uint32 |
hops_taken |
2
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-43.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
6.00 dB
Signal quality at gateway |
float |
rx_time |
1774604615
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 |
52
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774604617.0320792
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: ~1500.0m accuracy
Exposure Risks:
- âš Visible to all nodes on channel
- âš Default channel - no encryption
- âš Packet visible to MQTT subscribers
- âš Multi-hop path visible (2 hops)
- âš RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !9e7728c4 |
| Position Precision: | 14 bits (~1500.0m accuracy) |
| Position precision meters: | 1500.0 |
| Signal Metrics: |
RSSI: -43.0 dBm SNR: 6.00 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 37 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 43.0047232,
"longitude": -81.2253184,
"altitude": 208,
"sats_in_view": 5,
"precision_bits": 14
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!9e7728c4",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1819540892,
"to": 4294967295,
"id": 2627823356,
"rx_time": 1774604615,
"rx_snr": 6.0,
"rx_rssi": -43,
"hop_limit": 3,
"hop_start": 5,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 52,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d0000a21915000096cf18d001251151c669280258f70278018001989ef60c980105b8010e",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 430047232,
"longitude_i": -812253184,
"altitude": 208,
"time": 1774604561,
"location_source": "LOC_INTERNAL",
"PDOP": 375,
"ground_speed": 1,
"ground_track": 27103000,
"sats_in_view": 5,
"precision_bits": 14,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (37 bytes)
0d0000a21915000096cf18d001251151c669280258f70278018001989ef60c980105b8010e
Hex Analysis:
| Size: | 37 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 |
|---|---|---|---|---|---|---|---|---|
| Woods Mesh 🌲 (WUDZ) Primary |
0.000s
Reference |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | Current |
| Woods Mesh 🌲 (WUDZ) |
-0.041s
Before |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:36 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
-0.016s
Before |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.016s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.032s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.041s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.057s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.068s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.078s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.090s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.102s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.114s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.126s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.138s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.150s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.162s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.174s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.185s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.196s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.207s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.217s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.228s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
MediumFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.239s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.250s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.261s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.273s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.285s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.297s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.309s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.321s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.333s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.345s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.358s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortFast | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.368s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.379s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.391s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.401s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.412s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.423s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.434s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.445s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.458s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.470s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.482s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
ShortTurbo | 2026-03-27 09:43:37 UTC | View |
| Woods Mesh 🌲 (WUDZ) |
+0.494s
After |
-43.0 dBm | 6.00 dB | 2 |
34
📡
|
LongFast | 2026-03-27 09:43:37 UTC | View |
45
Total Receptions
1
Unique Gateways