Packet #39473355 Success

POSITION_APP packet from Mechanicus Cadia (M3) to not a toaster (daw)

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39473355
Mesh Packet ID: 0x0ae5b166
Used for correlation across gateways
Timestamp: 2026-05-16 06:48:16 UTC
From Node: Mechanicus Cadia (M3)
To Node: not a toaster (daw)
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 2571147703
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 1778914082
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 1778914096.5283687
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": 2571147703, "id": 182825318, "rx_time": 1778914082, "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": "0d00a0c11d15002018c618e601252213086a28017800800100b80112", "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": 1778914082, "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)
0d00a0c11d15002018c618e601252213086a28017800800100b80112
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 06:48:16 UTC Current
Mechanicus Cadia (M3) -8.741s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:07 UTC View
Mechanicus Cadia (M3) -2.789s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:13 UTC View
Mechanicus Cadia (M3) -2.325s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:14 UTC View
Mechanicus Cadia (M3) -1.951s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:14 UTC View
Mechanicus Cadia (M3) -1.802s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:14 UTC View
Mechanicus Cadia (M3) -1.603s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:14 UTC View
Mechanicus Cadia (M3) -1.433s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.409s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.362s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.351s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.295s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.186s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.130s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.991s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.958s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.947s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.925s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.758s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.688s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.652s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.640s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.541s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.528s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.476s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.439s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.428s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.349s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.275s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.263s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.092s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.084s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.132s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.366s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.435s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.447s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.529s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:17 UTC View
Mechanicus Cadia (M3) +1.079s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:17 UTC View
Mechanicus Cadia (M3) +1.234s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:17 UTC View
Mechanicus Cadia (M3) +1.308s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:17 UTC View
Mechanicus Cadia (M3) +1.748s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:18 UTC View
Mechanicus Cadia (M3) +1.820s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:18 UTC View
Mechanicus Cadia (M3) +2.018s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:18 UTC View
Mechanicus Cadia (M3) +2.272s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:18 UTC View
Mechanicus Cadia (M3) +3.737s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:20 UTC View
45

Total Receptions

1

Unique Gateways