Packet #17811775 Success
POSITION_APP packet from MAdon (MAdo) to !ffffffff
45
Total Receptions
1
Unique Gateways
1
Hop Count
45
Payload Bytes
Packet Information
| Database ID: | 17811775 |
|---|---|
| Mesh Packet ID: |
0x3321420f
Used for correlation across gateways |
| Timestamp: | 2026-03-27 10:16:15 UTC |
| From Node: | MAdon (MAdo) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | DIR Rooftop (DIR) |
|---|---|
| Channel: | LongFast |
| RSSI: | -96 dBm |
| SNR: | -8.75 dBm |
| Hop Info: |
1/7 hops
Start: 7, Limit: 6 |
| Relay Node: | None |
Payload Data
Protocol: POSITION_APP
Size: 45 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 45.541838° |
|---|---|
| Longitude: | -73.467311° |
| Altitude: | -25 m |
| Satellites: | 6 |
| 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: | 45 bytes |
|---|---|
| Gateway: | !6985083c |
| Channel: | LongFast |
| Payload Type: | POSITION_APP |
| Hop Count: | 1 / 7 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 4 more...
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 4 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!6985083c
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (45 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1741543364
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
45 bytes
|
size |
hop_limit |
6
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
1
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-96.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-8.75 dB
Signal quality at gateway |
float |
rx_time |
1774606576
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 |
Not set | uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774606575.8791466
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
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Default channel - no encryption
- ⚠ Packet visible to MQTT subscribers
- ⚠ Full GPS precision shared
- ⚠ Multi-hop path visible (1 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !6985083c |
| Position Precision: | 32 bits (~1.0m accuracy) |
| Position precision meters: | 1.0 |
| Signal Metrics: |
RSSI: -96.0 dBm SNR: -8.75 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 45 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 45.5418381,
"longitude": -73.4673108,
"altitude": -25,
"sats_in_view": 6,
"precision_bits": 32
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!6985083c",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1741543364,
"to": 4294967295,
"id": 857817615,
"rx_time": 1774606576,
"rx_snr": -8.75,
"rx_rssi": -96,
"hop_limit": 6,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 0,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d0d22251b152cc735d418e7ffffffffffffffff0125d858c669280258cd0178018001d0f5b40d980106b80120",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 455418381,
"longitude_i": -734673108,
"altitude": -25,
"time": 1774606552,
"location_source": "LOC_INTERNAL",
"PDOP": 205,
"ground_speed": 1,
"ground_track": 28130000,
"sats_in_view": 6,
"precision_bits": 32,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (45 bytes)
0d0d22251b152cc735d418e7ffffffffffffffff0125d858c669280258cd0178018001d0f5b40d980106b80120
Hex Analysis:
| Size: | 45 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 |
|---|---|---|---|---|---|---|---|---|
| DIR Rooftop (DIR) Primary |
0.000s
Reference |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:15 UTC | Current |
| DIR Rooftop (DIR) |
-0.032s
Before |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:15 UTC | View |
| DIR Rooftop (DIR) |
-0.010s
Before |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:15 UTC | View |
| DIR Rooftop (DIR) |
+0.020s
After |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:15 UTC | View |
| DIR Rooftop (DIR) |
+0.040s
After |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:15 UTC | View |
| DIR Rooftop (DIR) |
+0.060s
After |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:15 UTC | View |
| DIR Rooftop (DIR) |
+0.079s
After |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:15 UTC | View |
| DIR Rooftop (DIR) |
+0.097s
After |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:15 UTC | View |
| DIR Rooftop (DIR) |
+0.115s
After |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:15 UTC | View |
| DIR Rooftop (DIR) |
+0.130s
After |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.145s
After |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.156s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.167s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.179s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.191s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.203s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.215s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.227s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.239s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.250s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.262s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.272s
After |
-96.0 dBm | -8.75 dB | 1 | - | MediumFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.282s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.292s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.303s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.313s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.323s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.333s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.343s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.355s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.366s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.378s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.391s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortFast | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.402s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.414s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.426s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.437s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.448s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.459s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.470s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.481s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.491s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.504s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.513s
After |
-96.0 dBm | -8.75 dB | 1 | - | ShortTurbo | 2026-03-27 10:16:16 UTC | View |
| DIR Rooftop (DIR) |
+0.523s
After |
-96.0 dBm | -8.75 dB | 1 | - | LongFast | 2026-03-27 10:16:16 UTC | View |
45
Total Receptions
1
Unique Gateways