Packet #17806225 Success

POSITION_APP packet from Matane Centre CAN MQTT Link wiki.mt.gt (📡) to kwarc.org c908 (KWC)

45
Total Receptions
1
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 17806225
Mesh Packet ID: 0x4e19f3e4
Used for correlation across gateways
Timestamp: 2026-03-27 10:10:43 UTC
From Node: Matane Centre CAN MQTT Link wiki.mt.gt (📡)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Matane Centre CAN MQTT Link wiki.mt.gt (📡)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 94 📡
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: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:48.837427°
Longitude:-67.554509°
Altitude:6 m
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:27 bytes
Gateway:!a0cb1094
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
âš  Default channel - no encryption
âš  Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cb1094
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2697662612
Source node ID
uint32
to 3812346120
Target node ID
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 27 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 2
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 1774606233
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 148
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774606243.0263216
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: ~2900.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Default channel - no encryption
  • âš  Packet visible to MQTT subscribers
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
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 48.8374272, "longitude": -67.5545088, "altitude": 6, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb1094", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697662612, "to": 3812346120, "id": 1310323684, "rx_time": 1774606233, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 148, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00001c1d150000bcd71806259957c66928017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 488374272, "longitude_i": -675545088, "altitude": 6, "time": 1774606233, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d00001c1d150000bcd71806259957c66928017800800100b8010d
Hex Analysis:
Size:27 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
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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
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:43 UTC Current
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -1.030s
Before
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:41 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.404s
Before
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.241s
Before
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.159s
Before
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:42 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.077s
After
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.189s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.234s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.247s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.295s
After
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.317s
After
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.464s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.500s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.556s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.663s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.918s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:43 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +1.055s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:44 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +1.066s
After
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:44 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +1.236s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:44 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +1.375s
After
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:44 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +1.715s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:44 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +2.439s
After
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:45 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +2.592s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:45 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +2.694s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:45 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +2.800s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:45 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +2.844s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:45 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +2.929s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:45 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +3.351s
After
Unknown Unknown 0 94 📡 MediumFast 2026-03-27 10:10:46 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +3.616s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:46 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +3.833s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:46 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +3.857s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:46 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +4.022s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:47 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +4.047s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:47 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +4.378s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:47 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +4.873s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:47 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +5.084s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:48 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +5.203s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:48 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +5.294s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:48 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +5.554s
After
Unknown Unknown 0 94 📡 ShortFast 2026-03-27 10:10:48 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +5.878s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:48 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +5.902s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:48 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +6.102s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:49 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +6.217s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:49 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +6.289s
After
Unknown Unknown 0 94 📡 LongFast 2026-03-27 10:10:49 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +6.591s
After
Unknown Unknown 0 94 📡 ShortTurbo 2026-03-27 10:10:49 UTC View
45

Total Receptions

1

Unique Gateways