Packet #39463506 Success
POSITION_APP packet from VC1 Joyce 🗼 (VC1) to !ffffffff
47
Total Receptions
3
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
| Database ID: | 39463506 |
|---|---|
| Mesh Packet ID: |
0xdd3d71de
Used for correlation across gateways |
| Timestamp: | 2026-05-16 06:20:51 UTC |
| From Node: | VC1 Joyce 🗼 (VC1) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | lizfort joyce-collingwood (lfjc) |
|---|---|
| Channel: | LongFast |
| RSSI: | -83 dBm |
| SNR: | -9.5 dBm |
| Hop Info: |
0/6 hops
Start: 6, Limit: 6 |
| Relay Node: |
fc
VC1
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: | 49.238980° |
|---|---|
| Longitude: | -123.031650° |
| Altitude: | 156 m |
| Precision: | 32 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: | !73ab1026 |
| Channel: | LongFast |
| Payload Type: | POSITION_APP |
| Hop Count: | Unknown / 6 |
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 |
!73ab1026
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 |
1128196860
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 |
6
Remaining hops allowed |
uint32 |
hop_start |
6
Initial hop limit |
uint32 |
hops_taken |
0
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-83.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-9.50 dB
Signal quality at gateway |
float |
rx_time |
1778912450
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 |
252
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778912451.6011958
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
- ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
- âš Visible to all nodes on channel
- âš Default channel - no encryption
- âš Packet visible to MQTT subscribers
- âš Full GPS precision shared
- âš RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !73ab1026 |
| Position Precision: | 32 bits (~1.0m accuracy) |
| Position precision meters: | 1.0 |
| Zero Hop Policy: |
Enabled
Direct gateway connection |
| Signal Metrics: |
RSSI: -83.0 dBm SNR: -9.50 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": 49.23898,
"longitude": -123.03165,
"altitude": 156,
"sats_in_view": null,
"precision_bits": 32
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!73ab1026",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1128196860,
"to": 4294967295,
"id": 3711791582,
"rx_time": 1778912450,
"rx_snr": -9.5,
"rx_rssi": -83,
"hop_limit": 6,
"hop_start": 6,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 252,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0da845591d152cdcaab6189c0125320c086a28017800800100b80120",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 492389800,
"longitude_i": -1230316500,
"altitude": 156,
"time": 1778912306,
"location_source": "LOC_MANUAL",
"ground_speed": 0,
"ground_track": 0,
"precision_bits": 32,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (28 bytes)
0da845591d152cdcaab6189c0125320c086a28017800800100b80120
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 |
|---|---|---|---|---|---|---|---|---|
| lizfort joyce-collingwood (lfjc) Primary |
0.000s
Reference |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | Current |
| lizfort joyce-collingwood (lfjc) |
-0.103s
Before |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
-0.049s
Before |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
-0.037s
Before |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
-0.012s
Before |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.012s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.023s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.035s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.047s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.058s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.069s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.079s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.101s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.145s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.204s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.225s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.249s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.271s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.330s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.348s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.361s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.385s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
MediumFast | 2026-05-16 06:20:51 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.409s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.444s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.465s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.476s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.487s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.497s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.508s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.542s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.554s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.578s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.613s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortFast | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.656s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.667s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.722s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.734s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.758s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.782s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.793s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.804s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.815s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.826s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.836s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
ShortTurbo | 2026-05-16 06:20:52 UTC | View |
| lizfort joyce-collingwood (lfjc) |
+0.847s
After |
-83.0 dBm | -9.50 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:52 UTC | View |
| FourSisters (4sis) |
+0.868s
After |
-113.0 dBm | -14.25 dB | 0 |
fc
VC1
|
LongFast | 2026-05-16 06:20:52 UTC | View |
| Storm #02 🇨🇦 (S#02) |
+9.277s
After |
-99.0 dBm | -3.00 dB | 2 |
a4
|
LongFast | 2026-05-16 06:21:00 UTC | View |
47
Total Receptions
3
Unique Gateways