Packet #39472479 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: 39472479
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 1778914085.0889933
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) -1.030s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.884s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.849s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.838s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.827s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.766s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.736s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.724s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.712s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.700s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.618s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.605s
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 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.567s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.530s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.518s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.495s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.473s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.450s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.363s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.315s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:04 UTC View
Mechanicus Dominus (M4) -0.075s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) -0.051s
Before
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) -0.039s
Before
Unknown Unknown 0 b8 M4 ShortFast 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) +0.109s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.182s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.357s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.456s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.467s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.477s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.488s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.524s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.636s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.744s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.795s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.831s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:05 UTC View
Mechanicus Dominus (M4) +0.969s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.005s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.125s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.149s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.162s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-05-16 06:48:06 UTC View
Mechanicus Dominus (M4) +1.634s
After
Unknown Unknown 0 b8 M4 LongFast 2026-05-16 06:48:06 UTC View
45

Total Receptions

1

Unique Gateways