Packet #17689470 Success

POSITION_APP packet from Meshtastic Fant (MFQ) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17689470
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:	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`	`1774583641.3771107` 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 03:54:01 UTC	Current
Meshtastic Fant (MFQ)	-0.588s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.564s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.550s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.530s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.511s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.502s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.485s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.474s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.464s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.453s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.443s Before	Unknown	Unknown	`f8` MFQ	LongFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.432s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.422s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.412s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.401s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.391s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.380s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:00 UTC	View
Meshtastic Fant (MFQ)	-0.369s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.359s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.349s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.335s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.318s Before	Unknown	Unknown	`f8` MFQ	MediumFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.306s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.293s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.280s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.254s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.241s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.229s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.216s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.203s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.190s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.177s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.163s Before	Unknown	Unknown	`f8` MFQ	ShortFast	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.147s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.134s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.121s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.109s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.096s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.083s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.071s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.058s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.046s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.033s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View
Meshtastic Fant (MFQ)	-0.015s Before	Unknown	Unknown	`f8` MFQ	ShortTurbo	2026-03-27 03:54:01 UTC	View

45

Total Receptions

1

Unique Gateways