Packet #17805823 Success

POSITION_APP packet from Mechanicus Dominus (M4) to kwarc.org c908 (KWC)

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17805823
Mesh Packet ID: 0xab215391
Used for correlation across gateways
Timestamp: 2026-03-27 10:10:37 UTC
From Node: Mechanicus Dominus (M4)
To Node: kwarc.org c908 (KWC)
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 3812346120
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 1774606232
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 1774606237.772478
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": 3812346120, "id": 2871088017, "rx_time": 1774606232, "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": "0d00a0c11d15006018c618be01259857c66928017800800100b80112", "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": 1774606232, "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)
0d00a0c11d15006018c618be01259857c66928017800800100b80112
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 2026-03-27 10:10:37 UTC Current
Mechanicus Dominus (M4) -1.563s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.387s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.369s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.353s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.316s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.249s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.151s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.131s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.120s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.101s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.081s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.044s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -1.007s
Before
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -0.987s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -0.900s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -0.848s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -0.799s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:36 UTC View
Mechanicus Dominus (M4) -0.610s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) -0.545s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) -0.495s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) -0.453s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) -0.343s
Before
Unknown Unknown 0 b8 M4 MediumFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) -0.333s
Before
Unknown Unknown 0 b8 M4 ShortFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) -0.264s
Before
Unknown Unknown 0 b8 M4 ShortFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) -0.079s
Before
Unknown Unknown 0 b8 M4 ShortFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) +0.072s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) +0.093s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) +0.133s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) +0.168s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) +0.185s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) +0.202s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) +0.211s
After
Unknown Unknown 0 b8 M4 ShortFast 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) +0.226s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:37 UTC View
Mechanicus Dominus (M4) +0.242s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:38 UTC View
Mechanicus Dominus (M4) +0.263s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:38 UTC View
Mechanicus Dominus (M4) +0.396s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:38 UTC View
Mechanicus Dominus (M4) +0.406s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:38 UTC View
Mechanicus Dominus (M4) +0.437s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:38 UTC View
Mechanicus Dominus (M4) +0.453s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:38 UTC View
Mechanicus Dominus (M4) +0.599s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:38 UTC View
Mechanicus Dominus (M4) +0.616s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:38 UTC View
Mechanicus Dominus (M4) +0.625s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:38 UTC View
Mechanicus Dominus (M4) +0.643s
After
Unknown Unknown 0 b8 M4 ShortTurbo 2026-03-27 10:10:38 UTC View
Mechanicus Dominus (M4) +0.660s
After
Unknown Unknown 0 b8 M4 LongFast 2026-03-27 10:10:38 UTC View
45

Total Receptions

1

Unique Gateways