Packet #18011191 Success
POSITION_APP packet from VE7VU (v7vu) to !ffffffff
45
Total Receptions
1
Unique Gateways
0
Hop Count
38
Payload Bytes
Packet Information
| Database ID: | 18011191 |
|---|---|
| Mesh Packet ID: |
0xd581b003
Used for correlation across gateways |
| Timestamp: | 2026-03-27 21:11:47 UTC |
| From Node: | VE7VU (v7vu) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | VE7DCX Repeater (7DCX) |
|---|---|
| Channel: | ShortFast |
| RSSI: | -47 dBm |
| SNR: | 6.25 dBm |
| Hop Info: |
0/7 hops
Start: 7, Limit: 7 |
| Relay Node: |
5c
v7vu
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: 38 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 49.519002° |
|---|---|
| Longitude: | -115.631718° |
| Altitude: | 941 m |
| Satellites: | 3 |
| 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: | 38 bytes |
|---|---|
| Gateway: | !9e779694 |
| Channel: | ShortFast |
| Payload Type: | POSITION_APP |
| Hop Count: | Unknown / 7 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!9e779694
Node ID format |
channel_id |
ShortFast
|
packet |
MeshPacket (38 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1322246236
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
38 bytes
|
size |
hop_limit |
7
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
0
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-47.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
6.25 dB
Signal quality at gateway |
float |
rx_time |
1774645907
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 |
92
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774645907.8155522
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: ShortFast
- ✓ Gateway node ID tracked
- ✓ Reduced position precision: ~2900.0m accuracy
- ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !9e779694 |
| Position Precision: | 13 bits (~2900.0m accuracy) |
| Position precision meters: | 2900.0 |
| Zero Hop Policy: |
Enabled
Direct gateway connection |
| Signal Metrics: |
RSSI: -47.0 dBm SNR: 6.25 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 38 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 49.5190016,
"longitude": -115.6317184,
"altitude": 941,
"sats_in_view": 3,
"precision_bits": 13
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!9e779694",
"channel_id": "ShortFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1322246236,
"to": 4294967295,
"id": 3582046211,
"rx_time": 1774645907,
"rx_snr": 6.25,
"rx_rssi": -47,
"hop_limit": 7,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 92,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d0000841d15000014bb18ad07258ff2c669280258a20278b301800190bac806980103b8010d",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 495190016,
"longitude_i": -1156317184,
"altitude": 941,
"time": 1774645903,
"location_source": "LOC_INTERNAL",
"PDOP": 290,
"ground_speed": 179,
"ground_track": 13770000,
"sats_in_view": 3,
"precision_bits": 13,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (38 bytes)
0d0000841d15000014bb18ad07258ff2c669280258a20278b301800190bac806980103b8010d
Hex Analysis:
| Size: | 38 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 |
|---|---|---|---|---|---|---|---|---|
| VE7DCX Repeater (7DCX) Primary |
0.000s
Reference |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | Current |
| VE7DCX Repeater (7DCX) |
-0.337s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.313s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.301s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.289s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.277s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.266s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.247s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.236s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.225s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.214s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.203s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.193s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.182s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.171s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.159s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.147s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.135s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.123s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.110s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.099s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.087s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.075s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
MediumFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.063s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.053s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.042s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.031s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.021s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
-0.011s
Before |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.011s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.021s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.033s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.045s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortFast | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.056s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.068s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.079s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.092s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.103s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.115s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.126s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.136s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.147s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.158s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.168s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
ShortTurbo | 2026-03-27 21:11:47 UTC | View |
| VE7DCX Repeater (7DCX) |
+0.180s
After |
-47.0 dBm | 6.25 dB | 0 |
5c
v7vu
|
LongFast | 2026-03-27 21:11:47 UTC | View |
45
Total Receptions
1
Unique Gateways