Packet #17689429 Success

POSITION_APP packet from Meshtastic Fant (MFQ) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17689429
Mesh Packet ID:	`0xff5aca9b` Used for correlation across gateways
Timestamp:	2026-03-27 03:54:00 UTC
From Node:	Meshtastic Fant (MFQ)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic Fant (MFQ)
Channel:	LongFast
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:	LongFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!b03de4f8` 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

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`	`1774583640.8467896` 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)
✓ 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
⚠ Default channel - no encryption
⚠ 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": "LongFast", "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	LongFast	2026-03-27 03:54:00 UTC	Current
Meshtastic Fant (MFQ)	-0.057s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.033s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.020s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.020s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.029s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.045s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.056s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.066s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.077s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.087s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.098s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.108s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.119s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.129s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.140s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.150s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.161s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.171s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.181s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.195s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.212s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.225s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.237s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.251s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.276s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.289s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.302s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.314s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.327s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.340s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.353s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.368s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.384s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.396s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.409s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.422s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.435s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.447s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.460s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.472s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.485s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.497s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.516s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.530s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:01 UTC	View

45

Total Receptions

1

Unique Gateways