Packet #40410557 Success

POSITION_APP packet from Meshtastic a960 (a960) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	40410557
Mesh Packet ID:	`0x1a24058e` Used for correlation across gateways
Timestamp:	2026-05-18 14:27:11 UTC
From Node:	Meshtastic a960 (a960)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic a960 (a960)
Channel:	MediumFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`60` a960 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: 22 bytes

Decoded: Yes

Decoded Data:

Latitude:	46.111130°
Longitude:	-64.775782°
Altitude:	30 m
Precision:	13 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:	22 bytes
Gateway:	!ba0ca960
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 3 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!ba0ca960` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (22 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3121391968` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`22` 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`	Not set	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`	`96` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1779114431.2437665` 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: MediumFast
✓ Gateway node ID tracked
✓ Reduced position precision: ~2900.0m accuracy
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!ba0ca960`
Position Precision:	13 bits (~2900.0m accuracy)
Position precision meters:	`2900.0`
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:	22 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 46.1111296, "longitude": -64.7757824, "altitude": 30, "sats_in_view": null, "precision_bits": 13 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!ba0ca960", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3121391968, "to": 4294967295, "id": 438568334, "rx_time": 0, "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": 96, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00007c1b15000064d9181e28017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 461111296, "longitude_i": -647757824, "altitude": 30, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (22 bytes)

0d00007c1b15000064d9181e28017800800100b8010d

Hex Analysis:

Size:	22 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
Meshtastic a960 (a960) Primary	0.000s Reference	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	Current
Meshtastic a960 (a960)	-0.243s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.208s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.197s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.186s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.175s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.164s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.153s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.142s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.130s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.119s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.107s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.094s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.081s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.069s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.057s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.047s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.034s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.022s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.011s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.011s After	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.022s After	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.033s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.044s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.055s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.066s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.078s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.091s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.104s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.116s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.136s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.156s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.168s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.179s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.190s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.202s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.213s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.224s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.235s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.246s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.258s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.271s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.283s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.295s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.307s After	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View

45

Total Receptions

1

Unique Gateways