Packet #1414415

Packet Information

Database ID:	1414415
Mesh Packet ID:	`0x027df513` Used for correlation across gateways
Timestamp:	2026-05-16 13:59:59 UTC
From Node:	AJ_CORREA (Alex)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TEXT_MESSAGE_APP Port: 1

Gateway:	Mesh_KE4PMP (Msh_)
Channel:	LongFast
RSSI:	-77 dBm
SNR:	6.5 dBm
Hop Info:	3/7 hops Start: 7, Limit: 4
Relay Node:	None

Payload Data

Protocol: TEXT_MESSAGE_APP

Size: 179 bytes

Decoded: Yes

Text Content:

10 AM 67° rain 61% Thunderstorms 11 AM 67° rain 51% Thunderstorms 12 PM 68° rain 47% Cloudy 1 PM 69° rain 49% Cloudy 2 PM 70° rain 54% Thunderstorms 3 PM 71° rain 49% Cloudy

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:	179 bytes
Gateway:	!c08b3721
Channel:	LongFast
Payload Type:	TEXT_MESSAGE_APP
Hop Count:	3 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!c08b3721` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (179 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`70747459` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`1` TEXT_MESSAGE_APP	enum
`decoded.payload_length`	`179` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-77.0` dBm Signal strength at gateway	int32
`rx_snr`	`6.50` dB Signal quality at gateway	float
`rx_time`	`1778939994` 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`	`1778939999.833419` 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)
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!c08b3721`
Signal Metrics:	RSSI: -77.0 dBm SNR: 6.50 dB

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!c08b3721", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 70747459, "to": 4294967295, "id": 41809171, "rx_time": 1778939994, "rx_snr": 6.5, "rx_rssi": -77, "hop_limit": 4, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 1, "payload": "313020414d203637c2b0207261696e20363125205468756e64657273746f726d730a313120414d203637c2b0207261696e203531250a5468756e64657273746f726d730a313220504d203638c2b0207261696e2034372520436c6f7564790a3120504d203639c2b0207261696e2034392520436c6f7564790a3220504d203730c2b0207261696e203534250a5468756e64657273746f726d730a3320504d203731c2b0207261696e2034392520436c6f756479", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "text": "10 AM 67° rain 61% Thunderstorms\n11 AM 67° rain 51%\nThunderstorms\n12 PM 68° rain 47% Cloudy\n1 PM 69° rain 49% Cloudy\n2 PM 70° rain 54%\nThunderstorms\n3 PM 71° rain 49% Cloudy", "type": "text_message", "portnum": "TEXT_MESSAGE_APP" } } } }

Raw Packet Data (179 bytes)

313020414d203637c2b0207261696e20363125205468756e64657273746f726d730a313120414d203637c2b0207261696e203531250a5468756e64657273746f726d730a313220504d203638c2b0207261696e2034372520436c6f7564790a3120504d203639c2b0207261696e2034392520436c6f7564790a3220504d203730c2b0207261696e203534250a5468756e64657273746f726d730a3320504d203731c2b0207261696e2034392520436c6f756479

Hex Analysis:

Size:	179 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

Gateway	Time Offset	RSSI	SNR	Hops	Relay	Channel	Timestamp	Actions
Mesh_KE4PMP (Msh_) Primary	0.000s Reference	-77.0 dBm	6.50 dB	3	-	LongFast	2026-05-16 13:59:59 UTC	Current
No other receptions found within ±2 seconds

1

Total Receptions

1

Unique Gateways

Packet #1414415 Success