Packet #411583

Packet Information

Database ID:	411583
Mesh Packet ID:	`0x764cf9df` Used for correlation across gateways
Timestamp:	2026-04-27 16:15:10 UTC
From Node:	Tincho T1000 💳 🚶‍♂️ (TIN3)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TEXT_MESSAGE_APP Port: 1

Gateway:	AL-CENTRO-GW⚡ (NAN1)
Channel:	Almeria
RSSI:	-85 dBm
SNR:	-14.75 dBm
Hop Info:	3/4 hops Start: 4, Limit: 1
Relay Node:	`26` 7URI 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: 38 bytes

Decoded: Yes

Text Content:

Voy a echarle un ojo a ver esa que tal

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:	38 bytes
Gateway:	!04c5adf8
Channel:	Almeria
Payload Type:	TEXT_MESSAGE_APP
Hop Count:	3 / 4

Privacy Summary

Exposure Level:
Broadcast

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

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

Field	Value
`gateway_id`	`!04c5adf8` Node ID format
`channel_id`	`Almeria`
`packet`	`MeshPacket` (38 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`2961992213` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`TEXT_MESSAGE_APP` TEXT_MESSAGE_APP	enum
`decoded.payload_length`	`38` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-85.0` dBm Signal strength at gateway	int32
`rx_snr`	`-14.75` dB Signal quality at gateway	float
`rx_time`	`1777305916` 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`	`93` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`38` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	Not set	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: Almeria
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!04c5adf8`
Signal Metrics:	RSSI: -85.0 dBm SNR: -14.75 dB

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 2961992213, "to": 4294967295, "channel": 93, "decoded": { "portnum": "TEXT_MESSAGE_APP", "payload": "Vm95IGEgZWNoYXJsZSB1biBvam8gYSB2ZXIgZXNhIHF1ZSB0YWw=", "bitfield": 1 }, "id": 1984756191, "rx_time": 1777305916, "rx_snr": -14.75, "hop_limit": 1, "rx_rssi": -85, "hop_start": 4, "relay_node": 38, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "Almeria", "gateway_id": "!04c5adf8" }, "mesh_packet": { "from": 2961992213, "to": 4294967295, "channel": 93, "decoded": { "portnum": "TEXT_MESSAGE_APP", "payload": "Vm95IGEgZWNoYXJsZSB1biBvam8gYSB2ZXIgZXNhIHF1ZSB0YWw=", "bitfield": 1, "parsed_payload": { "text": "Voy a echarle un ojo a ver esa que tal", "type": "text_message", "portnum": "TEXT_MESSAGE_APP" } }, "id": 1984756191, "rx_time": 1777305916, "rx_snr": -14.75, "hop_limit": 1, "rx_rssi": -85, "hop_start": 4, "relay_node": 38, "transport_mechanism": "TRANSPORT_LORA" } }

Raw Packet Data (38 bytes)

566f7920612065636861726c6520756e206f6a6f20612076657220657361207175652074616c

Hex Analysis:

Size:	38 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
AL-CENTRO-GW⚡ (NAN1) Primary	0.000s Reference	-85.0 dBm	-14.75 dB	3	`26` 7URI	Almeria	2026-04-27 16:15:10 UTC	Current
3 hops Gateways that received this packet after 3 hops
ACA-ALMERIA-CLM-868🚶🚲 (JES3)	-593.681s Before	-110.0 dBm	-12.00 dB	3	`cc`	Almeria	2026-04-27 16:05:17 UTC	View

2

Total Receptions

2

Unique Gateways

Packet #411583 Success