Packet #17786302 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:	17786302
Mesh Packet ID:	`0xc2fdcfc9` Used for correlation across gateways
Timestamp:	2026-03-27 09:12:00 UTC
From Node:	Meshtastic 4618 (TMQT)
To Node:	kwarc.org c908 (KWC)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic 4618 (TMQT)
Channel:	MediumFast
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:	MediumFast
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`	`MediumFast`
`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`	`1774602720.198919` 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: MediumFast
✓ 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": "MediumFast", "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	MediumFast	2026-03-27 09:12:00 UTC	Current
Meshtastic 4618 (TMQT)	-0.947s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.603s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.559s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.514s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.436s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.346s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.333s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.319s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.304s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.280s Before	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.216s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:11:59 UTC	View
Meshtastic 4618 (TMQT)	-0.062s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	-0.050s Before	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.441s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.558s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.577s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.722s After	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.800s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:00 UTC	View
Meshtastic 4618 (TMQT)	+0.812s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+0.904s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+0.929s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+0.941s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+0.954s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.010s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.033s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.115s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.423s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.736s After	Unknown	Unknown	`18` TMQT	MediumFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+1.782s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:01 UTC	View
Meshtastic 4618 (TMQT)	+2.233s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+2.294s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+2.330s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+2.447s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+2.508s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:02 UTC	View
Meshtastic 4618 (TMQT)	+3.004s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+3.193s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+3.218s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+3.767s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:03 UTC	View
Meshtastic 4618 (TMQT)	+4.102s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:04 UTC	View
Meshtastic 4618 (TMQT)	+4.785s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:04 UTC	View
Meshtastic 4618 (TMQT)	+4.832s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+4.914s After	Unknown	Unknown	`18` TMQT	ShortFast	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+5.609s After	Unknown	Unknown	`18` TMQT	ShortTurbo	2026-03-27 09:12:05 UTC	View
Meshtastic 4618 (TMQT)	+6.536s After	Unknown	Unknown	`18` TMQT	LongFast	2026-03-27 09:12:06 UTC	View

45

Total Receptions

1

Unique Gateways