Packet #17947217 Success
POSITION_APP packet from Area51 e294 (e294) to !ffffffff
45
Total Receptions
1
Unique Gateways
3
Hop Count
33
Payload Bytes
Packet Information
| Database ID: | 17947217 |
|---|---|
| Mesh Packet ID: |
0xff898c77
Used for correlation across gateways |
| Timestamp: | 2026-03-27 17:28:53 UTC |
| From Node: | Area51 e294 (e294) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -112 dBm |
| SNR: | -3.75 dBm |
| Hop Info: |
3/7 hops
Start: 7, Limit: 4 |
| Relay Node: |
8f
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: POSITION_APP
Size: 33 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 49.152000° |
|---|---|
| Longitude: | -122.657178° |
| Altitude: | 42 m |
| Satellites: | 6 |
| 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: | 33 bytes |
|---|---|
| Gateway: | !9e779d68 |
| Channel: | MediumFast |
| Payload Type: | POSITION_APP |
| Hop Count: | 3 / 7 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!9e779d68
Node ID format |
channel_id |
MediumFast
|
packet |
MeshPacket (33 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1038148244
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
33 bytes
|
size |
hop_limit |
4
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
3
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-112.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-3.75 dB
Signal quality at gateway |
float |
rx_time |
1774632532
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 |
143
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774632533.8596156
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
- ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (3 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !9e779d68 |
| Position Precision: | 13 bits (~2900.0m accuracy) |
| Position precision meters: | 2900.0 |
| Signal Metrics: |
RSSI: -112.0 dBm SNR: -3.75 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 33 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 49.152,
"longitude": -122.6571776,
"altitude": 42,
"sats_in_view": 6,
"precision_bits": 13
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!9e779d68",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1038148244,
"to": 4294967295,
"id": 4287204471,
"rx_time": 1774632532,
"rx_snr": -3.75,
"rx_rssi": -112,
"hop_limit": 4,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 143,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d00004c1d150000e4b6182a254abec66928025897047802800100980106b8010d",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 491520000,
"longitude_i": -1226571776,
"altitude": 42,
"time": 1774632522,
"location_source": "LOC_INTERNAL",
"PDOP": 535,
"ground_speed": 2,
"ground_track": 0,
"sats_in_view": 6,
"precision_bits": 13,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (33 bytes)
0d00004c1d150000e4b6182a254abec66928025897047802800100980106b8010d
Hex Analysis:
| Size: | 33 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 |
|---|---|---|---|---|---|---|---|---|
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) Primary |
0.000s
Reference |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | Current |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.194s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.175s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.165s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.149s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.133s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.116s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.106s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.094s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.082s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.070s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.058s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.046s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.035s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.023s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.011s
Before |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.011s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.021s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.032s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.043s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.053s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.064s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
MediumFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.075s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.087s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.099s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.111s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.123s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.134s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:53 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.146s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.157s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.169s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.180s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.191s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortFast | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.202s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.212s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.223s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.234s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.244s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.255s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.267s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.279s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.291s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.303s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.314s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 17:28:54 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.326s
After |
-112.0 dBm | -3.75 dB | 3 |
8f
|
LongFast | 2026-03-27 17:28:54 UTC | View |
45
Total Receptions
1
Unique Gateways