Packet #17786758 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17786758
Mesh Packet ID:	`0x190742a9` Used for correlation across gateways
Timestamp:	2026-03-27 09:12:05 UTC
From Node:	Meshtastic Fant (MFQ)
To Node:	kwarc.org c908 (KWC)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic Fant (MFQ)
Channel:	ShortTurbo
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:	ShortTurbo
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

Field	Value
`gateway_id`	`!b03de4f8` Node ID format
`channel_id`	`ShortTurbo`
`packet`	`MeshPacket` (28 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`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`	`1774602725.8525393` 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: ShortTurbo
✓ 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": "ShortTurbo", "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

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.

Gateway	Time Offset	RSSI	SNR	Relay	Channel	Timestamp	Actions
Meshtastic Fant (MFQ) Primary	0.000s Reference	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	Current
Meshtastic Fant (MFQ)	-5.608s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:00 UTC	View
Meshtastic Fant (MFQ)	-3.826s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-3.815s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-3.752s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-3.502s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-3.245s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-3.055s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-2.967s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-2.887s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-2.852s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:03 UTC	View
Meshtastic Fant (MFQ)	-2.777s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:03 UTC	View
Meshtastic Fant (MFQ)	-2.215s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:03 UTC	View
Meshtastic Fant (MFQ)	-1.982s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:03 UTC	View
Meshtastic Fant (MFQ)	-1.802s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.740s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.670s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.528s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.371s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.323s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.298s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.237s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.226s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.122s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.013s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.919s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.523s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	-0.498s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	-0.428s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	-0.405s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	-0.393s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	-0.356s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	-0.225s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	-0.166s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	-0.090s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.083s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.137s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.148s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.229s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.328s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.480s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.550s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.657s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.774s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.927s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:06 UTC	View

45

Total Receptions

1

Unique Gateways