Packet #40410565 Success

POSITION_APP packet from Meshtastic a960 (a960) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	40410565
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:	ShortFast
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:	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
+ 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`	`ShortFast`
`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`	`1779114431.3346703` 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
✓ 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": "ShortFast", "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	ShortFast	2026-05-18 14:27:11 UTC	Current
Meshtastic a960 (a960)	-0.334s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.299s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.288s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.277s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.266s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.255s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.244s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.232s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.221s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.210s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.198s Before	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.185s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.172s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.160s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.148s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.137s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.125s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.113s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.102s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.091s Before	Unknown	Unknown	`60` a960	MediumFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.080s 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)	-0.058s Before	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.047s Before	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.036s Before	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.025s Before	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	-0.012s Before	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.013s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.026s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.045s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.065s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.077s After	Unknown	Unknown	`60` a960	ShortFast	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.088s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.099s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.111s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.122s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.133s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.144s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.155s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.168s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.180s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.192s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.204s After	Unknown	Unknown	`60` a960	ShortTurbo	2026-05-18 14:27:11 UTC	View
Meshtastic a960 (a960)	+0.217s After	Unknown	Unknown	`60` a960	LongFast	2026-05-18 14:27:11 UTC	View

45

Total Receptions

1

Unique Gateways