Packet #18017545 Success

POSITION_APP packet from Mechanicus Cadia (M3) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 18017545
Mesh Packet ID: 0x5dc962a8
Used for correlation across gateways
Timestamp: 2026-03-27 21:36:02 UTC
From Node: Mechanicus Cadia (M3)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Cadia (M3)
Channel: ShortTurbo
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 9c M3
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:-97.149747°
Altitude:230 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:!4359649c
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4359649c
Node ID format
channel_id ShortTurbo
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1129931932
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 bytes size
hop_limit 7
Remaining hops allowed
uint32
hop_start 7
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 1774647360
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 156
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774647362.950943
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)
  • ✓ Custom channel: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !4359649c
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": -97.1497472, "altitude": 230, "sats_in_view": null, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!4359649c", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129931932, "to": 4294967295, "id": 1573479080, "rx_time": 1774647360, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 156, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00a0c11d15002018c618e6012540f8c66928017800800100b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 499228672, "longitude_i": -971497472, "altitude": 230, "time": 1774647360, "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)
0d00a0c11d15002018c618e6012540f8c66928017800800100b80112
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 Cadia (M3) Primary 0.000s
Reference
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC Current
Mechanicus Cadia (M3) -0.468s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.456s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.444s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.425s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.410s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.399s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.383s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.372s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.362s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.351s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.339s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.328s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.317s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.305s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.292s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.280s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.268s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.255s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.244s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.232s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.220s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.209s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.198s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.188s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.175s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.165s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.154s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.143s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.133s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.120s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.108s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.096s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.083s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.071s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.059s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.045s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.033s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.022s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) -0.011s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) +0.011s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) +0.022s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) +0.033s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) +0.043s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:36:02 UTC View
Mechanicus Cadia (M3) +0.054s
After
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:36:03 UTC View
45

Total Receptions

1

Unique Gateways