Packet #17968459 Success

POSITION_APP packet from Mechanicus Dominus (M4) to !06ca331c

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17968459
Mesh Packet ID:	`0xbc92b9be` Used for correlation across gateways
Timestamp:	2026-03-27 18:43:29 UTC
From Node:	Mechanicus Dominus (M4)
To Node:	!06ca331c (331c)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Mechanicus Dominus (M4)
Channel:	ShortFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/4 hops Start: 4, Limit: 4
Relay Node:	`b8` M4 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:	49.922867°
Longitude:	-97.148109°
Altitude:	190 m
Precision:	18 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:	!6984d8b8
Channel:	ShortFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 4

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`	`!6984d8b8` 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`	`1770313912` Source node ID	uint32
`to`	`113914652` Target node ID	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`28` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`4` 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`	`1774637002` 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`	`184` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774637009.1880002` 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:	`!6984d8b8`
Position Precision:	18 bits (~91.0m accuracy)
Position precision meters:	`91.0`
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": 49.9228672, "longitude": -97.1481088, "altitude": 190, "sats_in_view": null, "precision_bits": 18 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6984d8b8", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770313912, "to": 113914652, "id": 3163732414, "rx_time": 1774637002, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 184, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00a0c11d15006018c618be0125cacfc66928017800800100b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 499228672, "longitude_i": -971481088, "altitude": 190, "time": 1774637002, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (28 bytes)

0d00a0c11d15006018c618be0125cacfc66928017800800100b80112

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
Mechanicus Dominus (M4) Primary	0.000s Reference	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	Current
Mechanicus Dominus (M4)	-2.083s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-1.497s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-1.474s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-1.439s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-1.308s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-1.262s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-1.249s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-1.221s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-0.974s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.894s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.806s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.779s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.688s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.627s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.501s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.427s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.349s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.338s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.325s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.280s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.236s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.220s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.206s Before	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.188s Before	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.159s Before	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	-0.059s Before	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	-0.045s Before	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	-0.030s Before	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	-0.015s Before	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.014s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.027s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.041s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.060s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.071s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.084s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.101s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.115s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.128s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.144s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.159s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.172s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.186s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.199s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.212s After	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:29 UTC	View

45

Total Receptions

1

Unique Gateways