Packet #39513429 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: 39513429
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: 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 1778922841.957803
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 09:14:01 UTC Current
Mechanicus Cadia (M3) -9.677s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:52 UTC View
Mechanicus Cadia (M3) -5.248s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:56 UTC View
Mechanicus Cadia (M3) -4.846s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -4.500s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -4.381s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -4.356s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -4.292s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -4.263s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -4.116s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -4.063s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.988s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.962s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:57 UTC View
Mechanicus Cadia (M3) -3.935s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.899s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.818s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.784s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.761s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.723s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.687s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.653s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.402s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.390s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.274s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.181s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.051s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -3.005s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:58 UTC View
Mechanicus Cadia (M3) -2.955s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.816s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.779s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.708s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.586s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.471s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.410s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.294s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.235s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -2.164s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:13:59 UTC View
Mechanicus Cadia (M3) -1.715s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) -1.621s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) -1.468s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) -1.211s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) -1.140s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:00 UTC View
Mechanicus Cadia (M3) -0.839s
Before
Unknown Unknown 0 9c M3 ShortTurbo 2026-05-16 09:14:01 UTC View
Mechanicus Cadia (M3) -0.469s
Before
Unknown Unknown 0 9c M3 LongFast 2026-05-16 09:14:01 UTC View
Mechanicus Cadia (M3) -0.036s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-05-16 09:14:01 UTC View
45

Total Receptions

1

Unique Gateways