Packet #17679225 Success

POSITION_APP packet from BRH T1000-E (BRT1) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
41
Payload Bytes
Packet Information
Database ID: 17679225
Mesh Packet ID: 0x50e0e42f
Used for correlation across gateways
Timestamp: 2026-03-27 03:22:20 UTC
From Node: BRH T1000-E (BRT1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: BRH T1000-E (BRT1)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: b5 BRT1
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: 41 bytes
Decoded: Yes
Decoded Data:
Latitude:50.869043°
Longitude:-113.993318°
Altitude:1003 m
Satellites:18
Precision:14 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:41 bytes
Gateway:!23e4aeb5
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 !23e4aeb5
Node ID format
channel_id MediumFast
packet MeshPacket (41 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 41 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 1774581748
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 1774581740.5233994
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: ~1500.0m 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: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
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:41 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 50.8690432, "longitude": -113.9933184, "altitude": 1003, "sats_in_view": 18, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!23e4aeb5", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 602189493, "to": 4294967295, "id": 1356915759, "rx_time": 1774581748, "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": "0d0000521e1500000ebc18eb0725f4f7c56928023dd8f7c569585e7800800198e9ec07980112b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 508690432, "longitude_i": -1139933184, "altitude": 1003, "time": 1774581748, "location_source": "LOC_INTERNAL", "timestamp": 1774581720, "PDOP": 94, "ground_speed": 0, "ground_track": 16463000, "sats_in_view": 18, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (41 bytes)
0d0000521e1500000ebc18eb0725f4f7c56928023dd8f7c569585e7800800198e9ec07980112b8010e
Hex Analysis:
Size:41 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 T1000-E (BRT1) Primary 0.000s
Reference 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC Current
BRH T1000-E (BRT1) -0.230s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.206s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.196s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.180s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.164s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.145s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.134s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.122s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.110s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.098s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.087s
Before 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.076s
Before 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.064s
Before 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.053s
Before 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.042s
Before 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.032s
Before 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.021s
Before 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) -0.010s
Before 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.011s
After 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.021s
After 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.034s
After 		Unknown Unknown 0 b5 BRT1 MediumFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.046s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.058s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.070s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.082s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.093s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.105s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.117s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.129s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.145s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.156s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.167s
After 		Unknown Unknown 0 b5 BRT1 ShortFast 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.177s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.189s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.200s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.211s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.223s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.238s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.250s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.262s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.274s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.290s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.302s
After 		Unknown Unknown 0 b5 BRT1 ShortTurbo 2026-03-27 03:22:20 UTC View
BRH T1000-E (BRT1) +0.314s
After 		Unknown Unknown 0 b5 BRT1 LongFast 2026-03-27 03:22:20 UTC View
45

Total Receptions

1

Unique Gateways