Packet #17968425 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17968425
Mesh Packet ID:	`0xbc92b9be` Used for correlation across gateways
Timestamp:	2026-03-27 18:43:28 UTC
From Node:	Mechanicus Dominus (M4)
To Node:	!06ca331c (331c)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Mechanicus Dominus (M4)
Channel:	MediumFast
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:	MediumFast
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`	`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`	`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`	`1774637008.6867256` 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:	`!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": "MediumFast", "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	MediumFast	2026-03-27 18:43:28 UTC	Current
Mechanicus Dominus (M4)	-1.582s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-0.996s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-0.973s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-0.938s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-0.807s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-0.761s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-0.748s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-0.720s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:27 UTC	View
Mechanicus Dominus (M4)	-0.473s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.392s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.305s Before	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.278s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.186s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	-0.125s Before	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	+0.074s After	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	+0.152s After	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	+0.163s After	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	+0.176s After	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	+0.222s After	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	+0.265s After	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	+0.281s After	Unknown	Unknown	`b8` M4	MediumFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	+0.296s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	+0.313s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:28 UTC	View
Mechanicus Dominus (M4)	+0.343s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.442s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.456s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.471s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.487s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.501s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.515s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.529s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.542s After	Unknown	Unknown	`b8` M4	ShortFast	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.561s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.573s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.586s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.602s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.616s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.629s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.645s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.661s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.673s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.687s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.700s After	Unknown	Unknown	`b8` M4	ShortTurbo	2026-03-27 18:43:29 UTC	View
Mechanicus Dominus (M4)	+0.713s After	Unknown	Unknown	`b8` M4	LongFast	2026-03-27 18:43:29 UTC	View

45

Total Receptions

1

Unique Gateways