Packet #17733312 Success

POSITION_APP packet from Klc Sensecap (klc2) to !ffffffff

46
Total Receptions
2
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 17733312
Mesh Packet ID: 0x5988e5bc
Used for correlation across gateways
Timestamp: 2026-03-27 06:27:37 UTC
From Node: Klc Sensecap (klc2)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Klc Sensecap (klc2)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 58 klc2
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:45.496730°
Longitude:-73.569075°
Altitude:55 m
Precision:17 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:!66203958
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
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !66203958
Node ID format
channel_id MediumFast
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1713387864
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 27 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 1774592852
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 88
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774592857.4122639
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !66203958
Position Precision: 17 bits (~182.0m accuracy)
Position precision meters: 182.0
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": 45.4967296, "longitude": -73.5690752, "altitude": 55, "sats_in_view": null, "precision_bits": 17 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!66203958", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1713387864, "to": 4294967295, "id": 1502143932, "rx_time": 1774592852, "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": 88, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00401e1b15004026d41837255423c66928037800800100b80111", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 454967296, "longitude_i": -735690752, "altitude": 55, "time": 1774592852, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 17, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d00401e1b15004026d41837255423c66928037800800100b80111
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

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
Klc Sensecap (klc2) Primary 0.000s
Reference 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC Current
Klc Sensecap (klc2) -0.476s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:36 UTC View
Klc Sensecap (klc2) -0.442s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:36 UTC View
Klc Sensecap (klc2) -0.428s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:36 UTC View
Klc Sensecap (klc2) -0.407s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) -0.386s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) -0.367s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) -0.356s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) -0.345s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) -0.334s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) -0.323s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) -0.313s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) -0.300s
Before 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.013s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.033s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.047s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.059s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.069s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.080s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.090s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.101s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.111s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.123s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.133s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.144s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.156s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.168s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.185s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.197s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.208s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.220s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.232s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.244s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.255s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.265s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.276s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.288s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.298s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.308s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.319s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.330s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.342s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.354s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.366s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 06:27:37 UTC View
Klc Sensecap (klc2) +0.380s
After 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 06:27:37 UTC View
DIR Rooftop (DIR) +8.437s
After 		-106.0 dBm -16.25 dB 3 d2 LongFast 2026-03-27 06:27:45 UTC View
46

Total Receptions

2

Unique Gateways