Packet #17786283 Success

POSITION_APP packet from Meshtastic 4618 (TMQT) to kwarc.org c908 (KWC)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17786283
Mesh Packet ID:	`0xc2fdcfc9` Used for correlation across gateways
Timestamp:	2026-03-27 09:11:59 UTC
From Node:	Meshtastic 4618 (TMQT)
To Node:	kwarc.org c908 (KWC)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic 4618 (TMQT)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/2 hops Start: 2, Limit: 2
Relay Node:	`18` TMQT 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:	44.633293°
Longitude:	-79.983411°
Altitude:	178 m
Precision:	16 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:	!02ee4618
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 2

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!02ee4618` 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`	`49169944` Source node ID	uint32
`to`	`3812346120` Target node ID	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`28` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`2` 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`	`1774602675` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`70` 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`	`24` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774602719.8947828` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared

MQTT-Specific Fields

Gateway ID:	`!02ee4618`
Position Precision:	16 bits (~364.0m accuracy)
Position precision meters:	`364.0`
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": 44.6332928, "longitude": -79.9834112, "altitude": 178, "sats_in_view": null, "precision_bits": 16 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!02ee4618", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 49169944, "to": 3812346120, "id": 3271413705, "rx_time": 1774602675, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 24, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00809a1a15008053d018b20125b349c66928017800800100b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 446332928, "longitude_i": -799834112, "altitude": 178, "time": 1774602675, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (28 bytes)

0d00809a1a15008053d018b20125b349c66928017800800100b80110

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 4618 (TMQT) Primary	0.000s Reference	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	Current
Meshtastic 4618 (TMQT)	-0.643s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.299s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.255s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.210s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.132s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.042s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.029s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.015s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	+0.024s After	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	+0.088s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	+0.242s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.254s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.304s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.745s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.862s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.881s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+1.026s After	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+1.104s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+1.116s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.208s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.233s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.245s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.258s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.314s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.337s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.419s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.727s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+2.040s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+2.086s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+2.537s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+2.598s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+2.635s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+2.751s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+2.813s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+3.308s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+3.497s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+3.522s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+4.071s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+4.406s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:04 UTC	View
Meshtastic 4618 (TMQT)	+5.089s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:04 UTC	View
Meshtastic 4618 (TMQT)	+5.136s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+5.218s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+5.913s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+6.840s After	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:12:06 UTC	View

45

Total Receptions

1

Unique Gateways