Packet #18783842 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: 18783842
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: LongFast
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:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !f1bcfa64
Node ID format
channel_id LongFast
Default public channel
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 1774806710.6602812
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)
  • ✓ 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
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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 LongFast 2026-03-29 17:51:50 UTC Current
Short deck (sdec) -0.730s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:49 UTC View
Short deck (sdec) -0.696s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:49 UTC View
Short deck (sdec) -0.660s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.640s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.614s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.598s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.573s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.553s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.533s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.513s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.494s
Before
Unknown Unknown 0 64 sdec LongFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.476s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.458s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.440s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.413s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.373s
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) -0.328s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.297s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.287s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.264s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.254s
Before
Unknown Unknown 0 64 sdec MediumFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.243s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.232s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.220s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.209s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.198s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.187s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.176s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.165s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.155s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.145s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.134s
Before
Unknown Unknown 0 64 sdec ShortFast 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.123s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.113s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.103s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.092s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.082s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.070s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.058s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
Short deck (sdec) -0.046s
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) -0.011s
Before
Unknown Unknown 0 64 sdec ShortTurbo 2026-03-29 17:51:50 UTC View
45

Total Receptions

1

Unique Gateways