Packet #17848071 Success

NODEINFO_APP packet from DuCK to !7a653a55

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17848071
Mesh Packet ID:	`0xbfedc13f` Used for correlation across gateways
Timestamp:	2026-03-27 11:50:55 UTC
From Node:	DuCK (9c30)
To Node:	!7a653a55 (3a55)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	kwarc.org 5ff0 (KW5)
Channel:	ShortFast
RSSI:	-99 dBm
SNR:	8.5 dBm
Hop Info:	2/5 hops Start: 5, Limit: 3
Relay Node:	None

Payload Data

Protocol: NODEINFO_APP

Size: 69 bytes

Decoded: Yes

Decoded Data:

Long Name:	DuCK
Short Name:	DuCK
Node ID:	!433d9c30
MAC Address:	SMpDPZww
Hardware:	HELTEC_V3

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:	69 bytes
Gateway:	!a3fb5ff0
Channel:	ShortFast
Payload Type:	NODEINFO_APP
Hop Count:	2 / 5

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!a3fb5ff0` Node ID format
`channel_id`	`ShortFast`
`packet`	`MeshPacket` (69 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1128111152` Source node ID	uint32
`to`	`2053454421` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`69` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-99.0` dBm Signal strength at gateway	int32
`rx_snr`	`8.50` dB Signal quality at gateway	float
`rx_time`	`1774612254` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	Not set	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774612255.9612782` 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: ShortFast
✓ Gateway node ID tracked

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!a3fb5ff0`
Signal Metrics:	RSSI: -99.0 dBm SNR: 8.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	69 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!433d9c30", "long_name": "DuCK", "short_name": "DuCK", "macaddr": "SMpDPZww", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!a3fb5ff0", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128111152, "to": 2053454421, "id": 3220029759, "rx_time": 1774612254, "rx_snr": 8.5, "rx_rssi": -99, "hop_limit": 3, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921343333643963333012044475434b1a044475434b220648ca433d9c30282b42208a6f3ec2dfe61117a5f6a19379ba8c4e4443e19cfcfe390085788785205b714f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!433d9c30", "long_name": "DuCK", "short_name": "DuCK", "macaddr": "SMpDPZww", "hw_model": "HELTEC_V3", "public_key": "im8+wt/mERel9qGTebqMTkRD4Zz8/jkAhXiHhSBbcU8=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (69 bytes)

0a0921343333643963333012044475434b1a044475434b220648ca433d9c30282b42208a6f3ec2dfe61117a5f6a19379ba8c4e4443e19cfcfe390085788785205b714f4800

Hex Analysis:

Size:	69 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	Hops	Relay	Channel	Timestamp	Actions
kwarc.org 5ff0 (KW5) Primary	0.000s Reference	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	Current
kwarc.org 5ff0 (KW5)	-0.737s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.709s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.673s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.645s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.624s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.603s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.582s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.560s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.536s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.512s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.488s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.466s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.446s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.425s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.404s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.381s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.357s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.333s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.310s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.288s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.267s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.246s Before	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.225s Before	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.203s Before	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.179s Before	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.156s Before	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.132s Before	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.110s Before	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.089s Before	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.067s Before	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.046s Before	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.024s Before	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.024s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.047s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.069s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.091s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.112s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.133s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.163s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.196s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.219s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.241s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.263s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.284s After	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:56 UTC	View

45

Total Receptions

1

Unique Gateways