Packet #39513391 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: 39513391
Mesh Packet ID: 0x5a537d6c
Used for correlation across gateways
Timestamp: 2026-05-16 09:14:01 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 1778922841.4886904
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 09:14:01 UTC Current
Mechanicus Cadia (M3) -9.208s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:52 UTC View
Mechanicus Cadia (M3) -4.779s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:56 UTC View
Mechanicus Cadia (M3) -4.377s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -4.031s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.912s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.887s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.823s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.794s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.647s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.594s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.519s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.492s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.466s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.429s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.349s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.315s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.292s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.254s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.218s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.184s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -2.932s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -2.920s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -2.805s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -2.712s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -2.582s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -2.536s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -2.486s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.347s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.310s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.239s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.117s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.002s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -1.941s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -1.825s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -1.766s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -1.695s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -1.246s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) -1.152s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) -0.998s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) -0.742s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) -0.671s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) -0.370s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:14:01 UTC View
Mechanicus Cadia (M3) +0.433s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:01 UTC View
Mechanicus Cadia (M3) +0.469s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:01 UTC View
45

Total Receptions

1

Unique Gateways