Packet #18801440 Success

POSITION_APP packet from Short deck (sdec) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
36
Payload Bytes
Packet Information
Database ID: 18801440
Mesh Packet ID: 0x8ce1651d
Used for correlation across gateways
Timestamp: 2026-03-29 18:51:52 UTC
From Node: Short deck (sdec)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Short deck (sdec)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 64 sdec
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:46.320845°
Longitude:-79.508275°
Altitude:215 m
Satellites:12
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:!f1bcfa64
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !f1bcfa64
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (36 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4055693924
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 Not set int32
rx_snr Not set float
rx_time 1774810311
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
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 100
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774810312.3075976
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
  • ✓ Reduced position precision: ~2900.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !f1bcfa64
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:36 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 46.3208448, "longitude": -79.5082752, "altitude": 215, "sats_in_view": 12, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f1bcfa64", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4055693924, "to": 4294967295, "id": 2363581725, "rx_time": 1774810311, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 100, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00009c1b1500009cd018d70125c774c9692802587578008001f8eaf00298010cb8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 463208448, "longitude_i": -795082752, "altitude": 215, "time": 1774810311, "location_source": "LOC_INTERNAL", "PDOP": 117, "ground_speed": 0, "ground_track": 6043000, "sats_in_view": 12, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (36 bytes)
0d00009c1b1500009cd018d70125c774c9692802587578008001f8eaf00298010cb8010d
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 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
Short deck (sdec) Primary 0.000s
Reference 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC Current
Short deck (sdec) -0.121s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.096s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.086s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.069s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.052s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.034s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.024s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.012s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.012s
After 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.024s
After 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.036s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.047s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.059s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.070s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.081s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.092s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.102s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.113s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.124s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.134s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.145s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.155s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.167s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.179s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.191s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.202s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.214s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.225s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.237s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.248s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.259s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.270s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.280s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.291s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.301s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.311s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.322s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.332s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.344s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.361s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.373s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.385s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.407s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.426s
After 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
45

Total Receptions

1

Unique Gateways