Packet #17786524 Success

POSITION_APP packet from Meshtastic Fant (MFQ) to kwarc.org c908 (KWC)

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17786524
Mesh Packet ID: 0x190742a9
Used for correlation across gateways
Timestamp: 2026-03-27 09:12:03 UTC
From Node: Meshtastic Fant (MFQ)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic Fant (MFQ)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: f8 MFQ
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:45.953843°
Longitude:-74.108109°
Altitude:248 m
Precision:13 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:!b03de4f8
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
+ 4 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b03de4f8
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 2956846328
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 1774602675
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 248
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774602723.0009985
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
  • ✓ Reduced position precision: ~2900.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !b03de4f8
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
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": 45.9538432, "longitude": -74.1081088, "altitude": 248, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b03de4f8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2956846328, "to": 3812346120, "id": 419906217, "rx_time": 1774602675, "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": 248, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000641b150000d4d318f80125b349c66928037800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 459538432, "longitude_i": -741081088, "altitude": 248, "time": 1774602675, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d0000641b150000d4d318f80125b349c66928037800800100b8010d
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
Meshtastic Fant (MFQ) Primary 0.000s
Reference
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:03 UTC Current
Meshtastic Fant (MFQ) -2.757s
Before
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:00 UTC View
Meshtastic Fant (MFQ) -0.975s
Before
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:02 UTC View
Meshtastic Fant (MFQ) -0.963s
Before
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:02 UTC View
Meshtastic Fant (MFQ) -0.900s
Before
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:02 UTC View
Meshtastic Fant (MFQ) -0.650s
Before
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:02 UTC View
Meshtastic Fant (MFQ) -0.393s
Before
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:02 UTC View
Meshtastic Fant (MFQ) -0.203s
Before
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:02 UTC View
Meshtastic Fant (MFQ) -0.116s
Before
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:02 UTC View
Meshtastic Fant (MFQ) -0.035s
Before
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:02 UTC View
Meshtastic Fant (MFQ) +0.075s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:03 UTC View
Meshtastic Fant (MFQ) +0.637s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:03 UTC View
Meshtastic Fant (MFQ) +0.870s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:03 UTC View
Meshtastic Fant (MFQ) +1.049s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.111s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.182s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.324s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.481s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.528s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.553s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.614s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.626s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.730s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.838s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +1.933s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:04 UTC View
Meshtastic Fant (MFQ) +2.329s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.354s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.424s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.447s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.458s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.495s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.627s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.686s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.761s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.852s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.935s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +2.988s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:05 UTC View
Meshtastic Fant (MFQ) +3.000s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:06 UTC View
Meshtastic Fant (MFQ) +3.081s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-03-27 09:12:06 UTC View
Meshtastic Fant (MFQ) +3.180s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:06 UTC View
Meshtastic Fant (MFQ) +3.331s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:06 UTC View
Meshtastic Fant (MFQ) +3.402s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-03-27 09:12:06 UTC View
Meshtastic Fant (MFQ) +3.508s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:06 UTC View
Meshtastic Fant (MFQ) +3.626s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-03-27 09:12:06 UTC View
Meshtastic Fant (MFQ) +3.779s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-03-27 09:12:06 UTC View
45

Total Receptions

1

Unique Gateways