Packet #15787814

Packet Information

Database ID:	15787814
Mesh Packet ID:	`0xcf79b4a0` Used for correlation across gateways
Timestamp:	2026-04-16 06:30:13 UTC
From Node:	andrew7e70 (7e70)
To Node:	saburovo_duse (duse)
Success:	Processed
Protocol:	TEXT_MESSAGE_APP Port: 1

Gateway:	ZA_MKAD_22_868_1 (8681)
Channel:	LongFast
RSSI:	-139 dBm
SNR:	-16.0 dBm
Hop Info:	1/7 hops Start: 7, Limit: 6

Payload Data

Protocol: TEXT_MESSAGE_APP

Size: 122 bytes

Decoded: Yes

Text Content:

В Сабурово сейчас 06:30, облачно, температура воздуха составляет +6 °C.

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:	122 bytes
Gateway:	!bba83350
Channel:	LongFast
Payload Type:	TEXT_MESSAGE_APP
Hop Count:	1 / 7

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 2 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`	`!bba83350` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (122 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2896854640` Source node ID	uint32
`to`	`2658529472` Target node ID	uint32
`decoded.portnum`	`1` TEXT_MESSAGE_APP	enum
`decoded.payload_length`	`122` bytes	size
`hop_limit`	`6` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-139.0` dBm Signal strength at gateway	int32
`rx_snr`	`-16.00` dB Signal quality at gateway	float
`rx_time`	`1776310212` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	True Acknowledgment 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`	`34` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1776310213.0553353` 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)
✓ Acknowledgment requested
✓ Targeted to specific node
✓ Gateway node ID tracked

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Want ack:	`True`
Gateway ID:	`!bba83350`
Signal Metrics:	RSSI: -139.0 dBm SNR: -16.00 dB

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!bba83350", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2896854640, "to": 2658529472, "id": 3480859808, "rx_time": 1776310212, "rx_snr": -16.0, "rx_rssi": -139, "hop_limit": 6, "hop_start": 7, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 34, "tx_after": 0, "decoded": { "portnum": 1, "payload": "d09220d0a1d0b0d0b1d183d180d0bed0b2d0be20d181d0b5d0b9d187d0b0d1812030363a33302c20d0bed0b1d0bbd0b0d187d0bdd0be2c20d182d0b5d0bcd0bfd0b5d180d0b0d182d183d180d0b020d0b2d0bed0b7d0b4d183d185d0b020d181d0bed181d182d0b0d0b2d0bbd18fd0b5d182202b3620c2b0432e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "text": "В Сабурово сейчас 06:30, облачно, температура воздуха составляет +6 °C.", "type": "text_message", "portnum": "TEXT_MESSAGE_APP" } } } }

Raw Packet Data (122 bytes)

d09220d0a1d0b0d0b1d183d180d0bed0b2d0be20d181d0b5d0b9d187d0b0d1812030363a33302c20d0bed0b1d0bbd0b0d187d0bdd0be2c20d182d0b5d0bcd0bfd0b5d180d0b0d182d183d180d0b020d0b2d0bed0b7d0b4d183d185d0b020d181d0bed181d182d0b0d0b2d0bbd18fd0b5d182202b3620c2b0432e

Hex Analysis:

Size:	122 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
ZA_MKAD_22_868_1 (8681) Primary	0.000s Reference	-139.0 dBm	-16.00 dB	1	LongFast	2026-04-16 06:30:13	Current
NODE_SOLAR_868 (8682)	+0.201s After	Unknown	Unknown	2	LongFast	2026-04-16 06:30:13	View
MOBILENODE_868 (8681)	+0.351s After	Unknown	Unknown	2	LongFast	2026-04-16 06:30:13	View
ZA_MKAD_22_433_2 (4332)	+1.743s After	-67.0 dBm	11.75 dB	3	LongFast	2026-04-16 06:30:14	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	+10.414s After	-95.0 dBm	-3.00 dB	3	LongFast	2026-04-16 06:30:23	View
Keyhost GW8 (KHS8)	+16.467s After	-118.0 dBm	-8.25 dB	4	LongFast	2026-04-16 06:30:29	View
BBS Восток (DM📲) (BBSv)	+18.842s After	-97.0 dBm	-13.75 dB	7	LongFast	2026-04-16 06:30:31	View
EGarpunov 2 868 (Base) (BAO) (EG28)	+20.327s After	-120.0 dBm	-13.50 dB	7	LongFast	2026-04-16 06:30:33	View
SYSXX YGW8 (SXY8)	+20.463s After	-105.0 dBm	-16.25 dB	7	LongFast	2026-04-16 06:30:33	View
dmt-ozeretskoe-mechta/868/LF2 (OZM8)	+24.998s After	-108.0 dBm	-14.75 dB	7	LongFast	2026-04-16 06:30:38	View
Butyrskaya 868 (But8)	+25.757s After	-93.0 dBm	4.50 dB	4	LongFast	2026-04-16 06:30:38	View
SYSXX OGW8 (SXG8)	+34.001s After	-110.0 dBm	-0.25 dB	6	LongFast	2026-04-16 06:30:47	View

12

Total Receptions

12

Unique Gateways

Packet #15787814 Success