Packet #18440846 Success

POSITION_APP packet from Quantum 4A61 (4A61) to !ffffffff

46
Total Receptions
2
Unique Gateways
0
Hop Count
32
Payload Bytes
Packet Information
Database ID: 18440846
Mesh Packet ID: 0xfe8e60bd
Used for correlation across gateways
Timestamp: 2026-03-28 22:00:51 UTC
From Node: Quantum 4A61 (4A61)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Quantum 4A61 (4A61)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 7a 4A61
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: 32 bytes
Decoded: Yes
Decoded Data:
Latitude:43.279974°
Longitude:-79.088845°
Altitude:90 m
Satellites:22
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:32 bytes
Gateway:!795c9e7a
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 !795c9e7a
Node ID format
channel_id ShortFast
packet MeshPacket (32 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2036113018
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 32 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 1774735250
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 122
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774735251.192298
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: ShortFast
  • ✓ 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: !795c9e7a
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:32 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.2799744, "longitude": -79.0888448, "altitude": 90, "sats_in_view": 22, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!795c9e7a", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2036113018, "to": 4294967295, "id": 4270743741, "rx_time": 1774735250, "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": 122, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000cc19150000dcd0185a25924fc869280258537800800100980116b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 432799744, "longitude_i": -790888448, "altitude": 90, "time": 1774735250, "location_source": "LOC_INTERNAL", "PDOP": 83, "ground_speed": 0, "ground_track": 0, "sats_in_view": 22, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (32 bytes)
0d0000cc19150000dcd0185a25924fc869280258537800800100980116b8010d
Hex Analysis:
Size:32 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
Quantum 4A61 (4A61) Primary 0.000s
Reference 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC Current
Quantum 4A61 (4A61) -0.337s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.311s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.299s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.287s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.275s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.264s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.253s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.243s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.232s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.222s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.212s
Before 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.201s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:50 UTC View
Quantum 4A61 (4A61) -0.190s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.179s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.167s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.155s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.144s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.131s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.120s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.108s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.097s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.086s
Before 		Unknown Unknown 0 7a 4A61 MediumFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.075s
Before 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.064s
Before 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.054s
Before 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.044s
Before 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.033s
Before 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.022s
Before 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) -0.011s
Before 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.013s
After 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.025s
After 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.037s
After 		Unknown Unknown 0 7a 4A61 ShortFast 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.049s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.060s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.071s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.083s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.094s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.105s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.115s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.126s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.136s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.147s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.157s
After 		Unknown Unknown 0 7a 4A61 ShortTurbo 2026-03-28 22:00:51 UTC View
Quantum 4A61 (4A61) +0.168s
After 		Unknown Unknown 0 7a 4A61 LongFast 2026-03-28 22:00:51 UTC View
Quantum d979 (d979) +3731.895s
After 		-55.0 dBm 10.25 dB 0 - LongFast 2026-03-28 23:03:03 UTC View
46

Total Receptions

2

Unique Gateways