Packet #40135207 Success

POSITION_APP packet from brh tracker (brtk) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
36
Payload Bytes
Packet Information
Database ID: 40135207
Mesh Packet ID: 0xd981c77e
Used for correlation across gateways
Timestamp: 2026-05-17 20:55:20 UTC
From Node: brh tracker (brtk)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: brh tracker (brtk)
Channel: ShortTurbo
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: b5 brtk
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:50.882150°
Longitude:-114.006426°
Altitude:1002 m
Satellites:16
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:!23e4aeb5
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:
⚠ 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 !23e4aeb5
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 602189493
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 1779050930
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 181
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1779051320.7915938
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:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !23e4aeb5
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": 50.8821504, "longitude": -114.0064256, "altitude": 1002, "sats_in_view": 16, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!23e4aeb5", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 602189493, "to": 4294967295, "id": 3649161086, "rx_time": 1779050930, "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": 181, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000541e1500000cbc18ea0725b2290a6a2802587778008001e08b980f980110b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 508821504, "longitude_i": -1140064256, "altitude": 1002, "time": 1779050930, "location_source": "LOC_INTERNAL", "PDOP": 119, "ground_speed": 0, "ground_track": 31852000, "sats_in_view": 16, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (36 bytes)
0d0000541e1500000cbc18ea0725b2290a6a2802587778008001e08b980f980110b8010d
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
brh tracker (brtk) Primary 0.000s
Reference 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC Current
brh tracker (brtk) -0.534s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.516s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.503s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.491s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.480s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.469s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.458s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.447s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.435s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.424s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.412s
Before 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.400s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.379s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.368s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.350s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.330s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.313s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.301s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.290s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.279s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.268s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.256s
Before 		Unknown Unknown 0 b5 brtk MediumFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.245s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.234s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.222s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.210s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.196s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.184s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.172s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.160s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.148s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.136s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.124s
Before 		Unknown Unknown 0 b5 brtk ShortFast 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.113s
Before 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.101s
Before 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.092s
Before 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.075s
Before 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.057s
Before 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.041s
Before 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC View
brh tracker (brtk) -0.022s
Before 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC View
brh tracker (brtk) +0.023s
After 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC View
brh tracker (brtk) +0.044s
After 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC View
brh tracker (brtk) +0.064s
After 		Unknown Unknown 0 b5 brtk ShortTurbo 2026-05-17 20:55:20 UTC View
brh tracker (brtk) +0.084s
After 		Unknown Unknown 0 b5 brtk LongFast 2026-05-17 20:55:20 UTC View
45

Total Receptions

1

Unique Gateways