Packet #39513115 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: 39513115
Mesh Packet ID: 0x5a537d6c
Used for correlation across gateways
Timestamp: 2026-05-16 09:13:57 UTC
From Node: Mechanicus Cadia (M3)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Cadia (M3)
Channel: LongFast
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:LongFast
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
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ 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 LongFast
Default public channel
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 1778922837.841774
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
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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 LongFast 2026-05-16 09:13:57 UTC Current
Mechanicus Cadia (M3) -5.561s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:52 UTC View
Mechanicus Cadia (M3) -1.132s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:56 UTC View
Mechanicus Cadia (M3) -0.730s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -0.384s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -0.265s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -0.240s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -0.176s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -0.147s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) +0.053s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) +0.128s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) +0.154s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) +0.181s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.217s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.298s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.332s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.355s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.393s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.429s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.463s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.714s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.726s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.842s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +0.935s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +1.065s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +1.111s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) +1.161s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +1.300s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +1.337s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +1.408s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +1.530s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +1.645s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +1.706s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +1.822s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +1.881s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +1.952s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) +2.401s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) +2.495s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) +2.648s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) +2.905s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) +2.976s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) +3.277s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:14:01 UTC View
Mechanicus Cadia (M3) +3.647s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:14:01 UTC View
Mechanicus Cadia (M3) +4.080s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:01 UTC View
Mechanicus Cadia (M3) +4.116s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:01 UTC View
45

Total Receptions

1

Unique Gateways