Packet #39454616 Success

POSITION_APP packet from Some User Lincoln Field (SULF) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39454616
Mesh Packet ID:	`0x171163bf` Used for correlation across gateways
Timestamp:	2026-05-16 05:48:31 UTC
From Node:	Some User Lincoln Field (SULF)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Some User Lincoln Field (SULF)
Channel:	MediumFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/5 hops Start: 5, Limit: 5
Relay Node:	`ac` SULF 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: 27 bytes

Decoded: Yes

Decoded Data:

Latitude:	45.364019°
Longitude:	-75.772723°
Altitude:	78 m
Precision:	14 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:	27 bytes
Gateway:	!b03c96ac
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 5

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 3 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!b03c96ac` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (27 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2956760748` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`27` bytes	size
`hop_limit`	`5` Remaining hops allowed	uint32
`hop_start`	`5` 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`	`1778910509` 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`	`172` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778910511.694314` 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)
✓ Custom channel: MediumFast
✓ Gateway node ID tracked
✓ Reduced position precision: ~1500.0m accuracy
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!b03c96ac`
Position Precision:	14 bits (~1500.0m accuracy)
Position precision meters:	`1500.0`
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:	27 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 45.3640192, "longitude": -75.7727232, "altitude": 78, "sats_in_view": null, "precision_bits": 14 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!b03c96ac", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2956760748, "to": 4294967295, "id": 387015615, "rx_time": 1778910509, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 5, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 172, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000a1b150000d6d2184e252d05086a28037800800100b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 453640192, "longitude_i": -757727232, "altitude": 78, "time": 1778910509, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (27 bytes)

0d00000a1b150000d6d2184e252d05086a28037800800100b8010e

Hex Analysis:

Size:	27 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
Some User Lincoln Field (SULF) Primary	0.000s Reference	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	Current
Some User Lincoln Field (SULF)	-0.228s Before	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.202s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.191s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.180s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.170s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.159s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.149s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.138s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.128s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.117s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.107s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.096s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.085s Before	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.072s Before	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.060s Before	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.046s Before	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.035s Before	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.023s Before	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	-0.011s Before	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.011s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.021s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.032s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.042s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.052s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.063s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.074s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.084s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.096s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.108s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.120s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.132s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.144s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.156s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.167s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.179s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.189s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.200s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.210s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.221s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.231s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.242s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.253s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.263s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 05:48:31 UTC	View
Some User Lincoln Field (SULF)	+0.275s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 05:48:31 UTC	View

45

Total Receptions

1

Unique Gateways