Packet #17786494 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:	17786494
Mesh Packet ID:	`0xc2fdcfc9` Used for correlation across gateways
Timestamp:	2026-03-27 09:12:02 UTC
From Node:	Meshtastic 4618 (TMQT)
To Node:	kwarc.org c908 (KWC)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic 4618 (TMQT)
Channel:	ShortTurbo
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:	ShortTurbo
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
+ 3 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!02ee4618` Node ID format
`channel_id`	`ShortTurbo`
`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`	`1774602722.645854` 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
✓ Custom channel: ShortTurbo
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ 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": "ShortTurbo", "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	ShortTurbo	2026-03-27 09:12:02 UTC	Current
Meshtastic 4618 (TMQT)	-3.394s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-3.050s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-3.006s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-2.961s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-2.883s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-2.793s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-2.780s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-2.766s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-2.751s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-2.727s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-2.663s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-2.509s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-2.497s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-2.447s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-2.006s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-1.889s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-1.870s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-1.725s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-1.647s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-1.635s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-1.543s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-1.518s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-1.506s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-1.493s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-1.437s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-1.414s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-1.332s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-1.024s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-0.711s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-0.665s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-0.214s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	-0.153s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	-0.117s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+0.062s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+0.557s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+0.746s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+0.771s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+1.320s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+1.655s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:04 UTC	View
Meshtastic 4618 (TMQT)	+2.338s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:04 UTC	View
Meshtastic 4618 (TMQT)	+2.385s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+2.467s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+3.162s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+4.089s After	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:12:06 UTC	View

45

Total Receptions

1

Unique Gateways