Packet #14049282

Packet Information

Database ID:	14049282
Mesh Packet ID:	`0xfcc064d2` Used for correlation across gateways
Timestamp:	2025-10-07 19:09:32 UTC
From Node:	MT14 Carabanchel (mtmn)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TEXT_MESSAGE_APP Port: 1

Gateway:	Meshtastic 18a4 (18a4)
Channel:	MediumSlow
RSSI:	Unknown
SNR:	Unknown
Hop Info:	4/4 hops Start: 4, Limit: 0

Payload Data

Protocol: TEXT_MESSAGE_APP

Size: 9 bytes

Decoded: Yes

Text Content:

Mensaje3

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:	9 bytes
Gateway:	!c0c318a4
Channel:	MediumSlow
Payload Type:	TEXT_MESSAGE_APP
Hop Count:	4 / 4

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!c0c318a4` Node ID format
`channel_id`	`MediumSlow`
`packet`	`MeshPacket` (9 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3676939604` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`1` TEXT_MESSAGE_APP	enum
`decoded.payload_length`	`9` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`4` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1759864243` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`100` 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`	`1759864172.1532106` 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: MediumSlow
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (4 hops)

MQTT-Specific Fields

Gateway ID: !c0c318a4

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676939604, "to": 4294967295, "id": 4240467154, "rx_time": 1759864243, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 100, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 96, "tx_after": 0, "decoded": { "portnum": 1, "payload": "4d656e73616a653307", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "text": "Mensaje3\u0007", "type": "text_message", "portnum": "TEXT_MESSAGE_APP" } } } }

Raw Packet Data (9 bytes)

4d656e73616a653307

Hex Analysis:

Size:	9 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	Channel	Timestamp	Actions
Meshtastic 18a4 (18a4) Primary	0.000s Reference	Unknown	Unknown	4	MediumSlow	2025-10-07 19:09:32	Current
Quass001 ☄️ (Q001)	-2.536s Before	-108.0 dBm	-0.75 dB	0	MediumSlow	2025-10-07 19:09:29	View
Quass002 ☄️ (Q002)	-2.177s Before	Unknown	Unknown	1	MediumSlow	2025-10-07 19:09:29	View
Venturada2🗼🌐☀️ (Vb2)	-0.850s Before	-115.0 dBm	-17.00 dB	2	MediumSlow	2025-10-07 19:09:31	View
XiaoWatt c4c8 🌐🔌 (c4c8)	-0.478s Before	-98.0 dBm	6.50 dB	3	MediumSlow	2025-10-07 19:09:31	View
Machu Pichu (MaPi)	-0.219s Before	-102.0 dBm	-9.25 dB	3	MediumSlow	2025-10-07 19:09:31	View
Meshtastic 1760 (1760)	-0.185s Before	-130.0 dBm	-13.75 dB	3	MediumSlow	2025-10-07 19:09:31	View
GRN1-Base🗼🌐 (GRN1)	-0.163s Before	-90.0 dBm	3.50 dB	3	MediumSlow	2025-10-07 19:09:31	View
[TLG] 📡🌐🔋🔌 (tlg0)	-0.152s Before	-118.0 dBm	-12.75 dB	3	MediumSlow	2025-10-07 19:09:32	View
Monolito (MoN)	+0.128s After	-67.0 dBm	8.00 dB	4	MediumSlow	2025-10-07 19:09:32	View
Ocumare_Base_🗼🌐 (CATA)	+0.143s After	-107.0 dBm	3.00 dB	3	MediumSlow	2025-10-07 19:09:32	View
Oxygen EA4HKU (O)	+0.360s After	-64.0 dBm	8.00 dB	4	MediumSlow	2025-10-07 19:09:32	View
Carbon EA4HKU (C)	+0.677s After	-68.0 dBm	8.50 dB	4	MediumSlow	2025-10-07 19:09:32	View
Baldur Fijo (BalF)	+0.689s After	-100.0 dBm	3.50 dB	4	MediumSlow	2025-10-07 19:09:32	View
tizon (Sylv)	+0.713s After	-105.0 dBm	4.00 dB	4	MediumSlow	2025-10-07 19:09:32	View
Trasto 🐰 Va (trva)	+0.719s After	-119.0 dBm	-16.00 dB	4	MediumSlow	2025-10-07 19:09:32	View
Zion 🗼 (Zion)	+0.825s After	-108.0 dBm	-15.50 dB	4	MediumSlow	2025-10-07 19:09:32	View
🌐Charly Unid Movil🛰 (C181)	+1.061s After	-123.0 dBm	-18.00 dB	4	MediumSlow	2025-10-07 19:09:33	View
Aldinra_1640_🗼_🌐 (AldB)	+1.638s After	-95.0 dBm	5.75 dB	4	MediumSlow	2025-10-07 19:09:33	View
Suop 📡 🌐 (SUOP)	+1.799s After	-115.0 dBm	-6.25 dB	4	MediumSlow	2025-10-07 19:09:33	View
Kenobi23 QTH (5aec)	+1.913s After	-103.0 dBm	-1.50 dB	4	MediumSlow	2025-10-07 19:09:34	View
MT14 Portatil 📡 (mtp1)	+717.005s After	-25.0 dBm	8.25 dB	0	MediumSlow	2025-10-07 19:21:29	View
MT14 Portatil 📡 (mtp1)	+743.021s After	-25.0 dBm	8.25 dB	0	MediumSlow	2025-10-07 19:21:55	View

23

Total Receptions

22

Unique Gateways

Packet #14049282 Success