Packet #39825828 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39825828
Mesh Packet ID:	`0xd4cbca6a` Used for correlation across gateways
Timestamp:	2026-05-17 03:07:04 UTC
From Node:	Rex Base (Unattended) (REBA)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Rex Base (Unattended) (REBA)
Channel:	LongFast
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:	LongFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!33665574` Node ID format
`channel_id`	`LongFast` Default public channel
`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`	`1778987224.9755583` 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)
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ 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": "LongFast", "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	LongFast	2026-05-17 03:07:04 UTC	Current
Rex Base (Unattended) (REBA)	-0.081s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:04 UTC	View
Rex Base (Unattended) (REBA)	-0.050s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:04 UTC	View
Rex Base (Unattended) (REBA)	-0.019s Before	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:04 UTC	View
Rex Base (Unattended) (REBA)	+0.022s After	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:04 UTC	View
Rex Base (Unattended) (REBA)	+0.043s After	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.064s After	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.087s After	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.108s After	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.127s After	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.149s After	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.163s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.180s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.195s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.215s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.230s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.246s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.260s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.281s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.299s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.320s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.333s After	Unknown	Unknown	`74` REBA	MediumFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.345s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.358s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.371s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.384s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.400s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.416s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.430s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.445s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.465s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.476s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.490s After	Unknown	Unknown	`74` REBA	ShortFast	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.501s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.514s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.525s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.541s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.551s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.570s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.591s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.613s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.638s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.662s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.685s After	Unknown	Unknown	`74` REBA	ShortTurbo	2026-05-17 03:07:05 UTC	View
Rex Base (Unattended) (REBA)	+0.700s After	Unknown	Unknown	`74` REBA	LongFast	2026-05-17 03:07:05 UTC	View

45

Total Receptions

1

Unique Gateways