Packet #18783837 Success

POSITION_APP packet from Short deck (sdec) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
37
Payload Bytes
Packet Information
Database ID: 18783837
Mesh Packet ID: 0xf28334d0
Used for correlation across gateways
Timestamp: 2026-03-29 17:51:50 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: 37 bytes
Decoded: Yes
Decoded Data:
Latitude:46.320845°
Longitude:-79.508275°
Altitude:212 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:37 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 (37 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 37 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 1774806709
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 1774806710.601791
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:37 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 46.3208448, "longitude": -79.5082752, "altitude": 212, "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": 4068685008, "rx_time": 1774806709, "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": "0d00009c1b1500009cd018d40125b566c9692802588d017800800198df8d0c98010cb8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 463208448, "longitude_i": -795082752, "altitude": 212, "time": 1774806709, "location_source": "LOC_INTERNAL", "PDOP": 141, "ground_speed": 0, "ground_track": 25391000, "sats_in_view": 12, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d00009c1b1500009cd018d40125b566c9692802588d017800800198df8d0c98010cb8010d
Hex Analysis:
Size:37 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 17:51:50 UTC Current
Short deck (sdec) -0.671s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:49 UTC View
Short deck (sdec) -0.638s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:49 UTC View
Short deck (sdec) -0.602s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.582s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.556s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.539s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.515s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.495s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.475s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.455s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.436s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.418s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.400s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.381s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.354s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.314s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.295s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.270s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.238s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.228s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.206s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.196s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.184s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.173s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.162s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.150s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.139s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.128s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.117s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.106s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.096s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.086s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.076s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.065s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.054s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.044s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.034s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.023s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.012s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.012s
After
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.024s
After
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.036s
After
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.047s
After
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) +0.058s
After
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
45

Total Receptions

1

Unique Gateways