Packet #18783817 Success

POSITION_APP packet from Short deck (sdec) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
37
Payload Bytes
Packet Information
Database ID: 18783817
Mesh Packet ID: 0xf28334d0
Used for correlation across gateways
Timestamp: 2026-03-29 17:51:50 UTC
From Node: Short deck (sdec)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Short deck (sdec)
Channel: MediumFast
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: 37 bytes
Decoded: Yes
Decoded Data:
Latitude:46.320845°
Longitude:-79.508275°
Altitude:212 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:37 bytes
Gateway:!f1bcfa64
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !f1bcfa64
Node ID format
channel_id MediumFast
packet MeshPacket (37 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 37 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 1774806709
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 1774806710.373555
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ 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:37 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 46.3208448, "longitude": -79.5082752, "altitude": 212, "sats_in_view": 12, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f1bcfa64", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4055693924, "to": 4294967295, "id": 4068685008, "rx_time": 1774806709, "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": "0d00009c1b1500009cd018d40125b566c9692802588d017800800198df8d0c98010cb8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 463208448, "longitude_i": -795082752, "altitude": 212, "time": 1774806709, "location_source": "LOC_INTERNAL", "PDOP": 141, "ground_speed": 0, "ground_track": 25391000, "sats_in_view": 12, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d00009c1b1500009cd018d40125b566c9692802588d017800800198df8d0c98010cb8010d
Hex Analysis:
Size:37 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 MediumFast 2026-03-29 17:51:50 UTC Current
Short deck (sdec) -0.443s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:49 UTC View
Short deck (sdec) -0.410s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:49 UTC View
Short deck (sdec) -0.373s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.354s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.328s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.311s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.286s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.266s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.247s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.226s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.208s
Before 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.190s
Before 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.172s
Before 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.153s
Before 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.126s
Before 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.086s
Before 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.067s
Before 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.042s
Before 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.010s
Before 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.023s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.033s
After 		Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.044s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.055s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.066s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.078s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.089s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.100s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.111s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.122s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.132s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.142s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.152s
After 		Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.164s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.174s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.184s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.194s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.205s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.216s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.228s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.241s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.253s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.264s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.275s
After 		Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.287s
After 		Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
45

Total Receptions

1

Unique Gateways