Packet #17689427 Success

POSITION_APP packet from Meshtastic Fant (MFQ) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17689427
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`	`1774583640.8135808` 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)	-0.024s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.013s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.033s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.053s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.062s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.078s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.089s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.100s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.110s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.121s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.131s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.142s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.152s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.162s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.173s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.184s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	+0.194s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.204s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.215s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.228s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.245s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.258s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.270s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.284s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.309s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.322s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.335s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.348s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.360s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.373s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.386s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.401s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.417s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.429s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.442s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.455s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.468s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.481s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.493s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.505s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.518s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.530s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.549s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	+0.564s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:01 UTC	View

45

Total Receptions

1

Unique Gateways