Packet #39464503 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39464503
Mesh Packet ID:	`0x3bd87bea` Used for correlation across gateways
Timestamp:	2026-05-16 06:24:32 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:	LongFast
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:	LongFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 5

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`	`!b03c96ac` Node ID format
`channel_id`	`LongFast` Default public channel
`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`	`1778912671` 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`	`1778912672.5046217` 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: ~1500.0m 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:	`!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": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2956760748, "to": 4294967295, "id": 1004043242, "rx_time": 1778912671, "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": "0d00000a1b150000d6d2184e259f0d086a28037800800100b8010e", "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": 1778912671, "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)

0d00000a1b150000d6d2184e259f0d086a28037800800100b8010e

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	LongFast	2026-05-16 06:24:32 UTC	Current
Some User Lincoln Field (SULF)	-0.038s Before	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	-0.012s Before	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.012s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.024s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.036s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.048s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.061s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.073s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.084s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.095s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.106s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.117s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.128s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.139s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.151s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.162s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.174s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.187s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.199s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.211s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.223s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.235s After	Unknown	Unknown	`ac` SULF	MediumFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.247s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.259s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.271s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.282s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.294s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.305s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.316s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.327s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.339s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.350s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.362s After	Unknown	Unknown	`ac` SULF	ShortFast	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.375s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.387s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.399s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.411s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.423s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.435s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.447s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.459s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.470s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.481s After	Unknown	Unknown	`ac` SULF	ShortTurbo	2026-05-16 06:24:32 UTC	View
Some User Lincoln Field (SULF)	+0.492s After	Unknown	Unknown	`ac` SULF	LongFast	2026-05-16 06:24:32 UTC	View

45

Total Receptions

1

Unique Gateways