Packet #39472475 Success

POSITION_APP packet from Mechanicus Dominus (M4) to not a toaster (daw)

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39472475
Mesh Packet ID: 0xac9ae2c2
Used for correlation across gateways
Timestamp: 2026-05-16 06:48:05 UTC
From Node: Mechanicus Dominus (M4)
To Node: not a toaster (daw)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Dominus (M4)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: b8 M4
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: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:49.922867°
Longitude:-97.148109°
Altitude:190 m
Precision:18 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:28 bytes
Gateway:!6984d8b8
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6984d8b8
Node ID format
channel_id ShortFast
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1770313912
Source node ID
uint32
to 2571147703
Target node ID
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 2
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 1778914081
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 70
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 184
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778914085.037556
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !6984d8b8
Position Precision: 18 bits (~91.0m accuracy)
Position precision meters: 91.0
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:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.9228672, "longitude": -97.1481088, "altitude": 190, "sats_in_view": null, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6984d8b8", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770313912, "to": 2571147703, "id": 2895831746, "rx_time": 1778914081, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 184, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00a0c11d15006018c618be01252113086a28017800800100b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 499228672, "longitude_i": -971481088, "altitude": 190, "time": 1778914081, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00a0c11d15006018c618be01252113086a28017800800100b80112
Hex Analysis:
Size:28 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
Mechanicus Dominus (M4) Primary 0.000s
Reference
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC Current
Mechanicus Dominus (M4) -0.978s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.832s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.798s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.787s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.775s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.714s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.684s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.672s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.660s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.649s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.566s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.554s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.528s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.516s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.479s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.467s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.444s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.421s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.399s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.312s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.264s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.023s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.013s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.026s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.039s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.051s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.160s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.234s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.409s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.507s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.518s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.528s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.540s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.575s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.688s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.796s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.846s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.882s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +1.021s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.057s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.177s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.201s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.214s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.686s
After
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:06 UTC View
45

Total Receptions

1

Unique Gateways