Packet #39513251 Success

POSITION_APP packet from Mechanicus Cadia (M3) to kwarc.org c908 (KWC)

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39513251
Mesh Packet ID: 0x5a537d6c
Used for correlation across gateways
Timestamp: 2026-05-16 09:13:59 UTC
From Node: Mechanicus Cadia (M3)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Cadia (M3)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
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:MediumFast
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 !4359649c
Node ID format
channel_id MediumFast
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 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 1778922822
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 156
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778922839.48706
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: MediumFast
  • ✓ 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: !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": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129931932, "to": 3812346120, "id": 1515421036, "rx_time": 1778922822, "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": 156, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00a0c11d15002018c618e601254635086a28017800800100b80112", "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": 1778922822, "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)
0d00a0c11d15002018c618e601254635086a28017800800100b80112
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 MediumFast 2026-05-16 09:13:59 UTC Current
Mechanicus Cadia (M3) -7.206s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:52 UTC View
Mechanicus Cadia (M3) -2.777s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:56 UTC View
Mechanicus Cadia (M3) -2.375s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -2.029s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -1.910s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -1.885s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -1.821s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -1.792s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -1.645s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -1.592s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -1.518s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -1.491s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -1.464s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -1.428s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -1.347s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -1.314s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -1.290s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -1.252s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -1.216s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -1.182s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -0.931s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -0.919s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -0.803s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -0.710s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -0.580s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -0.534s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -0.484s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -0.346s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -0.308s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -0.237s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -0.115s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +0.061s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +0.176s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +0.236s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +0.307s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +0.756s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) +0.849s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) +1.003s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) +1.259s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) +1.331s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) +1.632s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:14:01 UTC View
Mechanicus Cadia (M3) +2.002s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:14:01 UTC View
Mechanicus Cadia (M3) +2.435s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:01 UTC View
Mechanicus Cadia (M3) +2.471s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:01 UTC View
45

Total Receptions

1

Unique Gateways