Packet #39473347 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: 39473347
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: 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 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 1778914096.436095
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": 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 LongFast 2026-05-16 06:48:16 UTC Current
Mechanicus Cadia (M3) -8.648s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:07 UTC View
Mechanicus Cadia (M3) -2.697s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:13 UTC View
Mechanicus Cadia (M3) -2.232s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:14 UTC View
Mechanicus Cadia (M3) -1.858s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:14 UTC View
Mechanicus Cadia (M3) -1.709s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:14 UTC View
Mechanicus Cadia (M3) -1.511s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:14 UTC View
Mechanicus Cadia (M3) -1.341s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.316s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.270s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.259s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.203s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.093s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -1.038s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.899s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.866s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.855s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.833s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.666s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.596s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.559s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.547s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.449s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.436s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:15 UTC View
Mechanicus Cadia (M3) -0.383s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.347s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.336s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.257s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.183s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) -0.171s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.092s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.176s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.225s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.458s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.527s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.540s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:16 UTC View
Mechanicus Cadia (M3) +0.622s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:17 UTC View
Mechanicus Cadia (M3) +1.171s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:17 UTC View
Mechanicus Cadia (M3) +1.326s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:17 UTC View
Mechanicus Cadia (M3) +1.401s
After
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 06:48:17 UTC View
Mechanicus Cadia (M3) +1.841s
After
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 06:48:18 UTC View
Mechanicus Cadia (M3) +1.912s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:18 UTC View
Mechanicus Cadia (M3) +2.110s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:18 UTC View
Mechanicus Cadia (M3) +2.364s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 06:48:18 UTC View
Mechanicus Cadia (M3) +3.829s
After
Unknown Unknown 0 9c M3 LongFast 2026-05-16 06:48:20 UTC View
45

Total Receptions

1

Unique Gateways