Packet #17848044 Success

NODEINFO_APP packet from DuCK to !7a653a55

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17848044
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:	LongFast
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:	LongFast
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
+ 1 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!a3fb5ff0` Node ID format
`channel_id`	`LongFast` Default public channel
`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`	`1774612255.358288` 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
✓ Gateway node ID tracked

Exposure Risks:

⚠ Default channel - no encryption
⚠ 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": "LongFast", "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	-	LongFast	2026-03-27 11:50:55 UTC	Current
kwarc.org 5ff0 (KW5)	-0.134s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.106s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.070s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.042s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	-0.021s Before	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.021s After	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.043s After	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.067s After	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.091s After	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.115s After	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.137s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.157s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.178s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.199s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.222s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.246s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.270s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.293s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.315s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.336s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.357s After	-99.0 dBm	8.50 dB	2	-	MediumFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.378s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.400s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.424s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.447s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.471s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.493s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.514s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.536s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.557s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.579s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.603s After	-99.0 dBm	8.50 dB	2	-	ShortFast	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.627s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:55 UTC	View
kwarc.org 5ff0 (KW5)	+0.650s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.672s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.694s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.715s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.736s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.766s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.799s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.822s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.844s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.866s After	-99.0 dBm	8.50 dB	2	-	ShortTurbo	2026-03-27 11:50:56 UTC	View
kwarc.org 5ff0 (KW5)	+0.887s After	-99.0 dBm	8.50 dB	2	-	LongFast	2026-03-27 11:50:56 UTC	View

45

Total Receptions

1

Unique Gateways