Packet #39825848 Success

POSITION_APP packet from Rex Base (Unattended) (REBA) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39825848
Mesh Packet ID:	`0xd4cbca6a` Used for correlation across gateways
Timestamp:	2026-05-17 03:07:05 UTC
From Node:	Rex Base (Unattended) (REBA)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Rex Base (Unattended) (REBA)
Channel:	ShortFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`74` REBA 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: 27 bytes

Decoded: Yes

Decoded Data:

Latitude:	49.686118°
Longitude:	-112.889037°
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:	27 bytes
Gateway:	!33665574
Channel:	ShortFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!33665574` Node ID format
`channel_id`	`ShortFast`
`packet`	`MeshPacket` (27 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`862344564` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`27` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`3` 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`	`1778987223` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`10` 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`	`116` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778987225.333616` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared

MQTT-Specific Fields

Gateway ID:	`!33665574`
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:	27 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 49.6861184, "longitude": -112.8890368, "altitude": 0, "sats_in_view": null, "precision_bits": 16 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!33665574", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 862344564, "to": 4294967295, "id": 3570125418, "rx_time": 1778987223, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 116, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00809d1d150080b6bc180025d730096a28017800800100b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 496861184, "longitude_i": -1128890368, "altitude": 0, "time": 1778987223, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (27 bytes)

0d00809d1d150080b6bc180025d730096a28017800800100b80110

Hex Analysis:

Size:	27 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
Rex Base (Unattended) (REBA) Primary	0.000s Reference	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	Current
Rex Base (Unattended) (REBA)	-0.439s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:04 UTC	View
Rex Base (Unattended) (REBA)	-0.408s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:04 UTC	View
Rex Base (Unattended) (REBA)	-0.377s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:04 UTC	View
Rex Base (Unattended) (REBA)	-0.358s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:04 UTC	View
Rex Base (Unattended) (REBA)	-0.336s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:04 UTC	View
Rex Base (Unattended) (REBA)	-0.315s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.294s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.271s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.251s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.231s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.209s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.196s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.178s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.163s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.144s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.128s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.112s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.098s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.077s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.059s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.038s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.026s Before	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	-0.013s Before	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.013s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.026s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.042s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.058s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.072s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.087s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.107s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.118s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.132s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.143s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.156s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.167s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.183s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.193s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.212s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.233s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.255s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.280s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.304s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.327s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.342s After	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View

45

Total Receptions

1

Unique Gateways