Packet #39450393

Packet Information

Database ID:	39450393
Mesh Packet ID:	`0xff44aedf` Used for correlation across gateways
Timestamp:	2026-05-16 05:31:33 UTC
From Node:	WYK Meshnology N30 (WN30)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TEXT_MESSAGE_APP Port: 1

Gateway:	WYK Meshnology N30 (WN30)
Channel:	ShortFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/7 hops Start: 7, Limit: 7
Relay Node:	`28` WN30 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: TEXT_MESSAGE_APP

Size: 25 bytes

Decoded: No

'memoryview' object has no attribute 'decode'

Text Content:

5b4d543c3e4d435d2057594b322050616765723a206e697465

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:	25 bytes
Gateway:	!ba66fe28
Channel:	ShortFast
Payload Type:	TEXT_MESSAGE_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 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`	`!ba66fe28` Node ID format
`channel_id`	`ShortFast`
`packet`	`MeshPacket` (25 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3127311912` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`1` TEXT_MESSAGE_APP	enum
`decoded.payload_length`	`25` bytes	size
`hop_limit`	`7` Remaining hops allowed	uint32
`hop_start`	`7` 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`	`1778909492` 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`	`40` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778909493.689346` 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
✓ 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:	`!ba66fe28`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!ba66fe28", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3127311912, "to": 4294967295, "id": 4282691295, "rx_time": 1778909492, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 40, "tx_after": 0, "decoded": { "portnum": 1, "payload": "5b4d543c3e4d435d2057594b322050616765723a206e697465", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "raw_bytes": "5b4d543c3e4d435d2057594b322050616765723a206e697465", "type": "decode_error", "portnum": "TEXT_MESSAGE_APP", "decode_error": "'memoryview' object has no attribute 'decode'" } } } }

Raw Packet Data (25 bytes)

5b4d543c3e4d435d2057594b322050616765723a206e697465

Hex Analysis:

Size:	25 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
WYK Meshnology N30 (WN30) Primary	0.000s Reference	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	Current
WYK Meshnology N30 (WN30)	-0.375s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.339s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.326s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.313s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.301s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.289s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.277s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.266s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.254s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.243s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.233s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.223s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.213s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.203s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.192s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.181s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.171s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.160s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.148s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.136s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.124s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.111s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.100s Before	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.088s Before	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.076s Before	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.065s Before	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.054s Before	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.043s Before	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.032s Before	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.022s Before	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.011s Before	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.011s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.022s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.034s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.046s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.058s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.070s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.082s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.094s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.106s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.118s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.129s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.140s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.150s After	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
Concerned Third Party SECONDARY ($CTP)	+16.735s After	Unknown	Unknown	5	`c4`	LongFast	2026-05-16 05:31:50 UTC	View
Jitterbug BEAM [ConcernedThirdParty] (@JB)	+17.500s After	Unknown	Unknown	5	`c4`	LongFast	2026-05-16 05:31:51 UTC	View

47

Total Receptions

3

Unique Gateways

Packet #39450393 Success