Packet #39472477 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: 39472477
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 1778914085.0633497
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) -1.004s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.858s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.824s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.812s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.801s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.740s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.710s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.698s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.686s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.675s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.592s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.580s
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 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.542s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.504s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.493s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.470s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.447s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.424s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.338s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.290s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.049s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) -0.026s
Before
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) -0.013s
Before
Unknown Unknown 0 b8 M4 ShortFast 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) +0.135s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.208s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.383s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.481s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.493s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.502s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.514s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.550s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.662s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.770s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.820s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.856s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.995s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.031s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.151s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.175s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.188s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.660s
After
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:06 UTC View
45

Total Receptions

1

Unique Gateways