Packet #17786722 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:	17786722
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`	`1774602725.4249942` 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)	-5.181s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:00 UTC	View
Meshtastic Fant (MFQ)	-3.399s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-3.387s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-3.324s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-3.074s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-2.817s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-2.627s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-2.540s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-2.459s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:02 UTC	View
Meshtastic Fant (MFQ)	-2.424s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:03 UTC	View
Meshtastic Fant (MFQ)	-2.349s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:03 UTC	View
Meshtastic Fant (MFQ)	-1.787s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:03 UTC	View
Meshtastic Fant (MFQ)	-1.554s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:03 UTC	View
Meshtastic Fant (MFQ)	-1.375s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.313s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.242s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-1.100s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.943s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.896s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.871s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.810s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.798s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.694s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.586s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.491s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:04 UTC	View
Meshtastic Fant (MFQ)	-0.095s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	-0.070s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.023s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.034s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.071s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.203s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.262s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.337s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.428s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.511s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.564s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic Fant (MFQ)	+0.576s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.657s After	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.756s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.907s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+0.978s After	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+1.084s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+1.202s After	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 09:12:06 UTC	View
Meshtastic Fant (MFQ)	+1.355s After	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 09:12:06 UTC	View

45

Total Receptions

1

Unique Gateways