Packet #17800902 Success

POSITION_APP packet from 1138 (📱) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
36
Payload Bytes
Packet Information
Database ID: 17800902
Mesh Packet ID: 0xbb77b954
Used for correlation across gateways
Timestamp: 2026-03-27 09:54:43 UTC
From Node: 1138 (📱)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Matane Centre CAN MQTT Link wiki.mt.gt (📡)
Channel: ShortTurbo
RSSI: -114 dBm
SNR: -5.75 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: c4 📱
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: 36 bytes
Decoded: Yes
Decoded Data:
Latitude:48.837427°
Longitude:-67.554509°
Satellites:8
Precision:13 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:36 bytes
Gateway:!a0cb1094
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 3 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cb1094
Node ID format
channel_id ShortTurbo
packet MeshPacket (36 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 48957892
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 36 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -114.0 dBm
Signal strength at gateway
int32
rx_snr -5.75 dB
Signal quality at gateway
float
rx_time 1774605282
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 196
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774605283.3921368
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: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cb1094
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -114.0 dBm
SNR: -5.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:36 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 48.8374272, "longitude": -67.5545088, "altitude": 0, "sats_in_view": 8, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb1094", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 48957892, "to": 4294967295, "id": 3145185620, "rx_time": 1774605282, "rx_snr": -5.75, "rx_rssi": -114, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 196, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00001c1d150000bcd7180025dd53c669280258a40178008001d0829c06980108b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 488374272, "longitude_i": -675545088, "altitude": 0, "time": 1774605277, "location_source": "LOC_INTERNAL", "PDOP": 164, "ground_speed": 0, "ground_track": 13042000, "sats_in_view": 8, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (36 bytes)
0d00001c1d150000bcd7180025dd53c669280258a40178008001d0829c06980108b8010d
Hex Analysis:
Size:36 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 packet
Correlation: 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
Matane Centre CAN MQTT Link wiki.mt.gt (📡) Primary 0.000s
Reference
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC Current
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.521s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.491s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.480s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.463s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.445s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.426s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.414s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.402s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.390s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.378s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.365s
Before
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.353s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.342s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.331s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.320s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.309s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.298s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.287s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.276s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.265s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.255s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.243s
Before
-114.0 dBm -5.75 dB 0 c4 📱 MediumFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.227s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.215s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.202s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.185s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.168s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.156s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.145s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.134s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.114s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.103s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.092s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortFast 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.080s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.070s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.060s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.049s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.037s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.024s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.012s
Before
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.012s
After
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.024s
After
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.035s
After
-114.0 dBm -5.75 dB 0 c4 📱 ShortTurbo 2026-03-27 09:54:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.047s
After
-114.0 dBm -5.75 dB 0 c4 📱 LongFast 2026-03-27 09:54:43 UTC View
45

Total Receptions

1

Unique Gateways