Packet #39279965 Success
POSITION_APP packet from VA1VAN_902A (902A) to !1b7f545d
45
Total Receptions
1
Unique Gateways
0
Hop Count
23
Payload Bytes
Packet Information
| Database ID: | 39279965 |
|---|---|
| Mesh Packet ID: |
0xcb638ebe
Used for correlation across gateways |
| Timestamp: | 2026-05-15 18:56:31 UTC |
| From Node: | VA1VAN_902A (902A) |
| To Node: | !1b7f545d (545d) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | VA1VAN_902A (902A) |
|---|---|
| Channel: | LongFast |
| RSSI: | Unknown |
| SNR: | Unknown |
| Hop Info: |
0/5 hops
Start: 5, Limit: 5 |
| Relay Node: |
30
902A
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: 23 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 44.656230° |
|---|---|
| Longitude: | -63.661670° |
| Altitude: | 134 m |
| 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: | 23 bytes |
|---|---|
| Gateway: | !ba0cb630 |
| Channel: | LongFast |
| Payload Type: | POSITION_APP |
| Hop Count: | Unknown / 5 |
Privacy Summary
Exposure Level:
Direct Message
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!ba0cb630
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (23 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
3121395248
Source node ID |
uint32 |
to |
461329501
Target node ID |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
23 bytes
|
size |
hop_limit |
5
Remaining hops allowed |
uint32 |
hop_start |
5
Initial hop limit |
uint32 |
hops_taken |
0
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
Not set | int32 |
rx_snr |
Not set | float |
rx_time |
1778871390
Receive timestamp |
fixed32 |
via_mqtt |
False
Direct LoRa transmission |
bool |
want_ack |
False
No ACK requested |
bool |
priority |
70
Packet priority level |
enum |
delayed |
Not set | enum |
channel |
Not set | uint32 |
pki_encrypted |
False
Standard encryption |
bool |
next_hop |
Not set | uint32 |
relay_node |
48
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778871391.664119
Unix timestamp |
uint32 |
MQTT Privacy & Exposure Analysis
Analysis of privacy features and exposure risks when packet is shared via MQTT
Exposure Level: Direct Message
Privacy Features:
- ✓ Direct LoRa transmission (not via MQTT)
- ✓ Targeted to specific node
- ✓ Gateway node ID tracked
- ✓ Reduced position precision: ~1500.0m accuracy
- ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
- ⚠ Default channel - no encryption
- ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
| Gateway ID: | !ba0cb630 |
| Position Precision: | 14 bits (~1500.0m accuracy) |
| Position precision meters: | 1500.0 |
| Zero Hop Policy: |
Enabled
Direct gateway connection |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 23 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 44.6562304,
"longitude": -63.6616704,
"altitude": 134,
"sats_in_view": null,
"precision_bits": 14
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!ba0cb630",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 3121395248,
"to": 461329501,
"id": 3412299454,
"rx_time": 1778871390,
"rx_snr": 0.0,
"rx_rssi": 0,
"hop_limit": 5,
"hop_start": 5,
"via_mqtt": false,
"want_ack": false,
"priority": 70,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 48,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d00009e1a1500000eda188601255d6c076a2801b8010e",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 446562304,
"longitude_i": -636616704,
"altitude": 134,
"time": 1778871389,
"location_source": "LOC_MANUAL",
"precision_bits": 14,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (23 bytes)
0d00009e1a1500000eda188601255d6c076a2801b8010e
Hex Analysis:
| Size: | 23 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 |
|---|---|---|---|---|---|---|---|---|
| VA1VAN_902A (902A) Primary |
0.000s
Reference |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | Current |
| VA1VAN_902A (902A) |
+0.037s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.052s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.070s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.079s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.096s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.106s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.117s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.128s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.139s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.150s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.161s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.173s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.186s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.198s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.210s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.222s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.234s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.246s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.258s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.269s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.280s
After |
Unknown | Unknown | 0 |
30
902A
|
MediumFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.291s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.302s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.313s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.324s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.335s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:31 UTC | View |
| VA1VAN_902A (902A) |
+0.346s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.358s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.370s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.383s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.395s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.407s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortFast | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.419s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.431s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.448s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.459s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.470s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.481s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.492s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.503s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.514s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.525s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.536s
After |
Unknown | Unknown | 0 |
30
902A
|
ShortTurbo | 2026-05-15 18:56:32 UTC | View |
| VA1VAN_902A (902A) |
+0.548s
After |
Unknown | Unknown | 0 |
30
902A
|
LongFast | 2026-05-15 18:56:32 UTC | View |
45
Total Receptions
1
Unique Gateways