Packet #39634107 Success

POSITION_APP packet from Meshtastic fc7c (fc7c) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39634107
Mesh Packet ID:	`0x5701b669` Used for correlation across gateways
Timestamp:	2026-05-16 15:24:06 UTC
From Node:	Meshtastic fc7c (fc7c)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Bionicandroid 2 (DAN)
Channel:	ShortFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	3/3 hops Start: 3, Limit: 0
Relay Node:	`98` 4898 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: 35 bytes

Decoded: Yes

Decoded Data:

Latitude:	43.699405°
Longitude:	-79.560704°
Altitude:	73 m
Satellites:	15
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:	35 bytes
Gateway:	!b03d10e4
Channel:	ShortFast
Payload Type:	POSITION_APP
Hop Count:	3 / 3

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` (35 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`4022467708` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`35` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1778945045` 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`	`1778945046.704454` 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 (3 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:	35 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 43.6994048, "longitude": -79.560704, "altitude": 73, "sats_in_view": 15, "precision_bits": 13 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!b03d10e4", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4022467708, "to": 4294967295, "id": 1459730025, "rx_time": 1778945045, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 0, "hop_start": 3, "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": "0d00000c1a15000094d0184925fc8b086a280258707802800198feca1098010fb8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 436994048, "longitude_i": -795607040, "altitude": 73, "time": 1778945020, "location_source": "LOC_INTERNAL", "PDOP": 112, "ground_speed": 2, "ground_track": 34783000, "sats_in_view": 15, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (35 bytes)

0d00000c1a15000094d0184925fc8b086a280258707802800198feca1098010fb8010d

Hex Analysis:

Size:	35 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	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	Current
Bionicandroid 2 (DAN)	-0.319s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.294s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.283s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.273s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.262s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.251s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.239s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.228s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.217s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.206s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.194s Before	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.182s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.169s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.157s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.145s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.133s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.120s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.099s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.085s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.050s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.034s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	-0.019s Before	Unknown	Unknown	3	`98` 4898	MediumFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.016s After	Unknown	Unknown	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.028s After	Unknown	Unknown	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.041s After	Unknown	Unknown	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.060s After	Unknown	Unknown	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.074s After	Unknown	Unknown	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.087s After	Unknown	Unknown	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.100s After	Unknown	Unknown	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.112s After	Unknown	Unknown	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.131s After	Unknown	Unknown	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.147s After	Unknown	Unknown	3	`98` 4898	ShortFast	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.161s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.177s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.190s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.227s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.256s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.268s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.281s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:06 UTC	View
Bionicandroid 2 (DAN)	+0.297s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:07 UTC	View
Bionicandroid 2 (DAN)	+0.311s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:07 UTC	View
Bionicandroid 2 (DAN)	+0.328s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:07 UTC	View
Bionicandroid 2 (DAN)	+0.342s After	Unknown	Unknown	3	`98` 4898	ShortTurbo	2026-05-16 15:24:07 UTC	View
Bionicandroid 2 (DAN)	+0.356s After	Unknown	Unknown	3	`98` 4898	LongFast	2026-05-16 15:24:07 UTC	View

45

Total Receptions

1

Unique Gateways