Packet #39475633 Success

POSITION_APP packet from !041138f4 to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39475633
Mesh Packet ID:	`0xfdd76681` Used for correlation across gateways
Timestamp:	2026-05-16 06:53:22 UTC
From Node:	!041138f4 (38f4)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Bionicandroid 2 (DAN)
Channel:	ShortFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	5/7 hops Start: 7, Limit: 2
Relay Node:	`98` Last byte of the last hop that relayed this packet

Payload Data

Protocol: POSITION_APP

Size: 23 bytes

Decoded: Yes

Decoded Data:

Latitude:	43.070259°
Longitude:	-78.826701°
Altitude:	145 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:	23 bytes
Gateway:	!b03d10e4
Channel:	ShortFast
Payload Type:	POSITION_APP
Hop Count:	5 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!b03d10e4` Node ID format
`channel_id`	`ShortFast`
`packet`	`MeshPacket` (23 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`68237556` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`23` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`5` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1778914401` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`64` 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`	`152` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778914402.74633` 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: ShortFast
✓ Gateway node ID tracked
✓ Reduced position precision: ~2900.0m accuracy

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (5 hops)

MQTT-Specific Fields

Gateway ID:	`!b03d10e4`
Position Precision:	13 bits (~2900.0m accuracy)
Position precision meters:	`2900.0`

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	23 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 43.0702592, "longitude": -78.8267008, "altitude": 145, "sats_in_view": null, "precision_bits": 13 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!b03d10e4", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 68237556, "to": 4294967295, "id": 4258752129, "rx_time": 1778914401, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 152, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000ac1915000004d118910128017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 430702592, "longitude_i": -788267008, "altitude": 145, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (23 bytes)

0d0000ac1915000004d118910128017800800100b8010d

Hex Analysis:

Size:	23 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	Hops	Relay	Channel	Timestamp	Actions
Bionicandroid 2 (DAN) Primary	0.000s Reference	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	Current
Bionicandroid 2 (DAN)	-0.304s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.272s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.260s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.248s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.237s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.225s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.213s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.202s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.192s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.181s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.170s Before	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.157s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.146s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.136s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.126s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.114s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.102s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.090s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.079s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.066s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.054s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.043s Before	Unknown	Unknown	5	`98`	MediumFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.031s Before	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.020s Before	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	-0.011s Before	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.011s After	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.021s After	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.032s After	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.042s After	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.053s After	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.073s After	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.085s After	Unknown	Unknown	5	`98`	ShortFast	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.097s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.109s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.120s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.132s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.143s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.154s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.165s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.176s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.187s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.197s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.208s After	Unknown	Unknown	5	`98`	ShortTurbo	2026-05-16 06:53:22 UTC	View
Bionicandroid 2 (DAN)	+0.219s After	Unknown	Unknown	5	`98`	LongFast	2026-05-16 06:53:22 UTC	View
FLAN-F208 (FLAN)	+9.150s After	-47.0 dBm	6.00 dB	7	`96` FLAM	LongFast	2026-05-16 06:53:31 UTC	View

46

Total Receptions

2

Unique Gateways