Packet #17806664 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:	17806664
Mesh Packet ID:	`0xe2091eaf` Used for correlation across gateways
Timestamp:	2026-03-27 10:10:48 UTC
From Node:	Meshtastic Fant (MFQ)
To Node:	kwarc.org c908 (KWC)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic Fant (MFQ)
Channel:	ShortFast
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:	ShortFast
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`	`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`	`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`	`1774606233` 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`	`1774606248.2650807` 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: ShortFast
✓ 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": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2956846328, "to": 3812346120, "id": 3792248495, "rx_time": 1774606233, "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": "0d0000641b150000d4d318f801259957c66928037800800100b8010d", "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": 1774606233, "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)

0d0000641b150000d4d318f801259957c66928037800800100b8010d

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 10:10:48 UTC	Current
Meshtastic Fant (MFQ)	-6.956s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:41 UTC	View
Meshtastic Fant (MFQ)	-6.314s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:41 UTC	View
Meshtastic Fant (MFQ)	-6.298s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:41 UTC	View
Meshtastic Fant (MFQ)	-6.283s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:41 UTC	View
Meshtastic Fant (MFQ)	-6.255s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-6.146s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-6.132s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-6.005s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-5.977s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-5.934s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-5.901s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-5.816s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-5.702s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-5.687s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-5.351s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-5.337s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:42 UTC	View
Meshtastic Fant (MFQ)	-5.125s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:43 UTC	View
Meshtastic Fant (MFQ)	-5.076s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:43 UTC	View
Meshtastic Fant (MFQ)	-4.968s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:43 UTC	View
Meshtastic Fant (MFQ)	-4.636s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:43 UTC	View
Meshtastic Fant (MFQ)	-4.413s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:43 UTC	View
Meshtastic Fant (MFQ)	-4.401s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 10:10:43 UTC	View
Meshtastic Fant (MFQ)	-3.558s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 10:10:44 UTC	View
Meshtastic Fant (MFQ)	-3.239s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 10:10:45 UTC	View
Meshtastic Fant (MFQ)	-3.009s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 10:10:45 UTC	View
Meshtastic Fant (MFQ)	-2.976s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:45 UTC	View
Meshtastic Fant (MFQ)	-2.811s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:45 UTC	View
Meshtastic Fant (MFQ)	-2.789s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:45 UTC	View
Meshtastic Fant (MFQ)	-2.635s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 10:10:45 UTC	View
Meshtastic Fant (MFQ)	-2.613s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:45 UTC	View
Meshtastic Fant (MFQ)	-2.591s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 10:10:45 UTC	View
Meshtastic Fant (MFQ)	-2.569s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 10:10:45 UTC	View
Meshtastic Fant (MFQ)	-2.383s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:45 UTC	View
Meshtastic Fant (MFQ)	-2.041s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:46 UTC	View
Meshtastic Fant (MFQ)	-2.019s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:46 UTC	View
Meshtastic Fant (MFQ)	-1.690s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 10:10:46 UTC	View
Meshtastic Fant (MFQ)	-1.470s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:46 UTC	View
Meshtastic Fant (MFQ)	-1.394s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:46 UTC	View
Meshtastic Fant (MFQ)	-1.241s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 10:10:47 UTC	View
Meshtastic Fant (MFQ)	-1.204s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 10:10:47 UTC	View
Meshtastic Fant (MFQ)	-0.895s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 10:10:47 UTC	View
Meshtastic Fant (MFQ)	-0.634s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 10:10:47 UTC	View
Meshtastic Fant (MFQ)	-0.247s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:48 UTC	View
Meshtastic Fant (MFQ)	-0.144s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 10:10:48 UTC	View

45

Total Receptions

1

Unique Gateways