Packet #17786696 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:	17786696
Mesh Packet ID:	`0xc2fdcfc9` Used for correlation across gateways
Timestamp:	2026-03-27 09:12:05 UTC
From Node:	Meshtastic 4618 (TMQT)
To Node:	kwarc.org c908 (KWC)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic 4618 (TMQT)
Channel:	ShortFast
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:	ShortFast
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`	`ShortFast`
`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`	`1774602725.11307` 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: ShortFast
✓ 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": "ShortFast", "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	ShortFast	2026-03-27 09:12:05 UTC	Current
Meshtastic 4618 (TMQT)	-5.862s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-5.518s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-5.473s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-5.429s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-5.351s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-5.261s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-5.247s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-5.233s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-5.218s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-5.194s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-5.130s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-4.976s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-4.964s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-4.914s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-4.473s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-4.356s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-4.338s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-4.192s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-4.114s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-4.103s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-4.010s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-3.985s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-3.973s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-3.961s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-3.904s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-3.881s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-3.799s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-3.491s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-3.178s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-3.132s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	-2.682s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	-2.620s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	-2.584s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	-2.467s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	-2.406s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	-1.910s Before	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	-1.721s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	-1.696s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	-1.148s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	-0.812s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:04 UTC	View
Meshtastic 4618 (TMQT)	-0.130s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:04 UTC	View
Meshtastic 4618 (TMQT)	-0.082s Before	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+0.695s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+1.622s After	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:12:06 UTC	View

45

Total Receptions

1

Unique Gateways