Packet #18801475 Success

POSITION_APP packet from Short deck (sdec) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
36
Payload Bytes
Packet Information
Database ID: 18801475
Mesh Packet ID: 0x8ce1651d
Used for correlation across gateways
Timestamp: 2026-03-29 18:51:52 UTC
From Node: Short deck (sdec)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Short deck (sdec)
Channel: ShortTurbo
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: 36 bytes
Decoded: Yes
Decoded Data:
Latitude:46.320845°
Longitude:-79.508275°
Altitude:215 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:36 bytes
Gateway:!f1bcfa64
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 !f1bcfa64
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 4055693924
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 1774810311
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 1774810312.714437
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: !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:36 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 46.3208448, "longitude": -79.5082752, "altitude": 215, "sats_in_view": 12, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f1bcfa64", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4055693924, "to": 4294967295, "id": 2363581725, "rx_time": 1774810311, "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": "0d00009c1b1500009cd018d70125c774c9692802587578008001f8eaf00298010cb8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 463208448, "longitude_i": -795082752, "altitude": 215, "time": 1774810311, "location_source": "LOC_INTERNAL", "PDOP": 117, "ground_speed": 0, "ground_track": 6043000, "sats_in_view": 12, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (36 bytes)
0d00009c1b1500009cd018d70125c774c9692802587578008001f8eaf00298010cb8010d
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
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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 ShortTurbo 2026-03-29 18:51:52 UTC Current
Short deck (sdec) -0.528s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.503s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.493s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.476s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.459s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.441s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.431s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.419s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.407s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.395s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.383s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.371s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.359s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.348s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.337s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.326s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.315s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.304s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.294s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.283s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.273s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.262s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.252s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.240s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.228s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.216s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.205s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.193s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.181s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.170s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.159s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.148s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.137s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.126s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.116s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.105s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.095s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.085s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.075s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.063s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.046s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.034s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) -0.022s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 18:51:52 UTC View
Short deck (sdec) +0.019s
After
Unknown Unknown 0 64 sdec LongFast 2026-03-29 18:51:52 UTC View
45

Total Receptions

1

Unique Gateways