Packet #39279984 Success

POSITION_APP packet from VA1VAN_902A (902A) to !1b7f545d

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39279984
Mesh Packet ID:	`0xcb638ebe` Used for correlation across gateways
Timestamp:	2026-05-15 18:56:31 UTC
From Node:	VA1VAN_902A (902A)
To Node:	!1b7f545d (545d)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	VA1VAN_902A (902A)
Channel:	MediumFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/5 hops Start: 5, Limit: 5
Relay Node:	`30` 902A 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: 23 bytes

Decoded: Yes

Decoded Data:

Latitude:	44.656230°
Longitude:	-63.661670°
Altitude:	134 m
Precision:	14 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:	23 bytes
Gateway:	!ba0cb630
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 5

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 4 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!ba0cb630` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (23 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3121395248` Source node ID	uint32
`to`	`461329501` Target node ID	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`23` bytes	size
`hop_limit`	`5` Remaining hops allowed	uint32
`hop_start`	`5` 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`	`1778871390` 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`	`48` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778871391.922323` 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
✓ Reduced position precision: ~1500.0m accuracy
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!ba0cb630`
Position Precision:	14 bits (~1500.0m accuracy)
Position precision meters:	`1500.0`
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:	23 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 44.6562304, "longitude": -63.6616704, "altitude": 134, "sats_in_view": null, "precision_bits": 14 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!ba0cb630", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3121395248, "to": 461329501, "id": 3412299454, "rx_time": 1778871390, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 5, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 48, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00009e1a1500000eda188601255d6c076a2801b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 446562304, "longitude_i": -636616704, "altitude": 134, "time": 1778871389, "location_source": "LOC_MANUAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (23 bytes)

0d00009e1a1500000eda188601255d6c076a2801b8010e

Hex Analysis:

Size:	23 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
VA1VAN_902A (902A) Primary	0.000s Reference	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	Current
VA1VAN_902A (902A)	-0.258s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.222s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.206s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.188s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.179s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.163s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.152s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.141s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.130s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.119s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.108s Before	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.097s Before	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.085s Before	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.072s Before	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.060s Before	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.048s Before	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.036s Before	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.024s Before	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	-0.012s Before	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	+0.011s After	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	+0.022s After	Unknown	Unknown	`30` 902A	MediumFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	+0.033s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	+0.044s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	+0.055s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	+0.066s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	+0.077s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:31 UTC	View
VA1VAN_902A (902A)	+0.088s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.100s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.112s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.125s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.137s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.149s After	Unknown	Unknown	`30` 902A	ShortFast	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.161s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.173s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.190s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.201s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.212s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.223s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.234s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.245s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.256s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.266s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.277s After	Unknown	Unknown	`30` 902A	ShortTurbo	2026-05-15 18:56:32 UTC	View
VA1VAN_902A (902A)	+0.290s After	Unknown	Unknown	`30` 902A	LongFast	2026-05-15 18:56:32 UTC	View

45

Total Receptions

1

Unique Gateways