Packet #3392132

Packet Information

Database ID:	3392132
Mesh Packet ID:	`0x710ba72a` Used for correlation across gateways
Timestamp:	2025-12-10 22:43:44 UTC
From Node:	BDP5 - Rak4631 (BDP5)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TEXT_MESSAGE_APP Port: 1

Gateway:	Steiner Studios Tower (SST)
Channel:	LongFast
RSSI:	-109 dBm
SNR:	-4.0 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0
Relay Node:	`bb` WyCt 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: 62 bytes

Decoded: Yes

Text Content:

@Psalm 23 - only seeing replies. How many hops is your config?

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:	62 bytes
Gateway:	!da5af04c
Channel:	LongFast
Payload Type:	TEXT_MESSAGE_APP
Hop Count:	3 / 3

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`	`!da5af04c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (62 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`210363682` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`1` TEXT_MESSAGE_APP	enum
`decoded.payload_length`	`62` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-109.0` dBm Signal strength at gateway	int32
`rx_snr`	`-4.00` dB Signal quality at gateway	float
`rx_time`	`1765406763` 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`	`187` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765406624.7241347` 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:	`!da5af04c`
Signal Metrics:	RSSI: -109.0 dBm SNR: -4.00 dB

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!da5af04c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 210363682, "to": 4294967295, "id": 1896589098, "rx_time": 1765406763, "rx_snr": -4.0, "rx_rssi": -109, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 187, "tx_after": 0, "decoded": { "portnum": 1, "payload": "405073616c6d203233202d206f6e6c7920736565696e67207265706c6965732e20486f77206d616e7920686f707320697320796f757220636f6e6669673f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "text": "@Psalm 23 - only seeing replies. How many hops is your config?", "type": "text_message", "portnum": "TEXT_MESSAGE_APP" } } } }

Raw Packet Data (62 bytes)

405073616c6d203233202d206f6e6c7920736565696e67207265706c6965732e20486f77206d616e7920686f707320697320796f757220636f6e6669673f

Hex Analysis:

Size:	62 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
Steiner Studios Tower (SST) Primary	0.000s Reference	-109.0 dBm	-4.00 dB	3	`bb` WyCt	LongFast	2025-12-10 22:43:44 UTC	Current
BDP3 - Wio L1 (BDP3)	-14.817s Before	-8.0 dBm	7.75 dB	0	`22` BDP5	LongFast	2025-12-10 22:43:29 UTC	View
Psalm 23 (3:16)	-5.167s Before	-123.0 dBm	-11.75 dB	2	`d5` ETNA	LongFast	2025-12-10 22:43:39 UTC	View
25 Washington Ave (25WA)	-4.053s Before	-82.0 dBm	-12.00 dB	3	`56` JLX6	LongFast	2025-12-10 22:43:40 UTC	View
Mercury01 (MRC1)	-3.323s Before	-128.0 dBm	-18.00 dB	3	`56` JLX6	LongFast	2025-12-10 22:43:41 UTC	View
dkTowerBot (dkTB)	-2.385s Before	-99.0 dBm	-10.25 dB	2	`4c` JLY3 , SST	LongFast	2025-12-10 22:43:42 UTC	View
Meshtastic e41a (GRBT)	+0.310s After	-128.0 dBm	-21.00 dB	3	`bb` WyCt	LongFast	2025-12-10 22:43:45 UTC	View
Meshtastic 631c (GRBH)	+0.352s After	-101.0 dBm	-11.75 dB	3	`bb` WyCt	LongFast	2025-12-10 22:43:45 UTC	View
MeshM0xie (M0x)	+5.100s After	-99.0 dBm	-4.75 dB	3	`7b` 4b7b	LongFast	2025-12-10 22:43:49 UTC	View
YMH 1 @ Your Mom’s House (YMH1)	+5.108s After	-114.0 dBm	-6.25 dB	3	`7b` 4b7b	LongFast	2025-12-10 22:43:49 UTC	View

10

Total Receptions

10

Unique Gateways

Packet #3392132 Success