Packet #17689454 Success

POSITION_APP packet from Meshtastic Fant (MFQ) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17689454
Mesh Packet ID:	`0xff5aca9b` Used for correlation across gateways
Timestamp:	2026-03-27 03:54:01 UTC
From Node:	Meshtastic Fant (MFQ)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic Fant (MFQ)
Channel:	ShortFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
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:	ShortFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ 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`	`ShortFast`
`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`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`28` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`3` 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`	`1774583640` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`10` 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`	`1774583641.1611264` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
✓ Gateway node ID tracked
✓ Reduced position precision: ~2900.0m accuracy
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ 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": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2956846328, "to": 4294967295, "id": 4284140187, "rx_time": 1774583640, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 248, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000641b150000d4d318f8012558ffc56928037800800100b8010d", "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": 1774583640, "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)

0d0000641b150000d4d318f8012558ffc56928037800800100b8010d

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	ShortFast	2026-03-27 03:54:01 UTC	Current
Meshtastic Fant (MFQ)	-0.372s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.348s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.334s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.314s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.295s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.286s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.269s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.258s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.248s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.237s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.227s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.216s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.206s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.196s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.185s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.175s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.164s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.153s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.143s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.133s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.119s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.102s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.090s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.077s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.064s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.038s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.025s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.013s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.013s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.026s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.039s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.053s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.069s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.082s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.095s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.107s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.120s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.133s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.145s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.158s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.170s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.183s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.201s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.216s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:01 UTC	View

45

Total Receptions

1

Unique Gateways