Packet #39451188 Success

NODEINFO_APP packet from VA3FYF (da8a) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39451188
Mesh Packet ID:	`0xf8087711` Used for correlation across gateways
Timestamp:	2026-05-16 05:35:23 UTC
From Node:	VA3FYF (da8a)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Seri Base d120 (SRB)
Channel:	LongFast
RSSI:	-29 dBm
SNR:	7.0 dBm
Hop Info:	2/3 hops Start: 3, Limit: 1
Relay Node:	`64` SRS Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: NODEINFO_APP

Size: 69 bytes

Decoded: Yes

Decoded Data:

Long Name:	VA3FYF
Short Name:	da8a
Node ID:	!6728da8a
MAC Address:	4FBnKNqK
Hardware:	RAK4631

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:	69 bytes
Gateway:	!16ced120
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	2 / 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`	`!16ced120` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (69 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1730730634` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`69` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-29.0` dBm Signal strength at gateway	int32
`rx_snr`	`7.00` dB Signal quality at gateway	float
`rx_time`	`1778909722` 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`	`100` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778909723.43809` 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 (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!16ced120`
Signal Metrics:	RSSI: -29.0 dBm SNR: 7.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	69 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!6728da8a", "long_name": "VA3FYF", "short_name": "da8a", "macaddr": "4FBnKNqK", "hw_model": "RAK4631" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1730730634, "to": 4294967295, "id": 4161304337, "rx_time": 1778909722, "rx_snr": 7.0, "rx_rssi": -29, "hop_limit": 1, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 100, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921363732386461386112065641334659461a04646138612206e0506728da8a280942206e5383df3418edb1b42c7e8aa9ee40fb8485141c56442df9eb57d8c69b84ed27", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!6728da8a", "long_name": "VA3FYF", "short_name": "da8a", "macaddr": "4FBnKNqK", "hw_model": "RAK4631", "public_key": "blOD3zQY7bG0LH6Kqe5A+4SFFBxWRC3561fYxpuE7Sc=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (69 bytes)

0a0921363732386461386112065641334659461a04646138612206e0506728da8a280942206e5383df3418edb1b42c7e8aa9ee40fb8485141c56442df9eb57d8c69b84ed27

Hex Analysis:

Size:	69 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
Seri Base d120 (SRB) Primary	0.000s Reference	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	Current
Seri Base d120 (SRB)	-0.182s Before	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	-0.142s Before	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	-0.119s Before	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	-0.086s Before	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	-0.065s Before	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	-0.044s Before	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	-0.023s Before	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.025s After	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.049s After	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.072s After	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.094s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.115s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.137s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.158s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.181s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.205s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.228s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.252s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.275s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.296s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.317s After	-29.0 dBm	7.00 dB	2	`64` SRS	MediumFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.339s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.361s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.385s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.409s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.432s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.454s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.475s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.496s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.518s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.540s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:23 UTC	View
Seri Base d120 (SRB)	+0.565s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortFast	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.588s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.612s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.644s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.677s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.709s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.745s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.773s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.800s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.835s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.861s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.882s After	-29.0 dBm	7.00 dB	2	`64` SRS	ShortTurbo	2026-05-16 05:35:24 UTC	View
Seri Base d120 (SRB)	+0.904s After	-29.0 dBm	7.00 dB	2	`64` SRS	LongFast	2026-05-16 05:35:24 UTC	View

45

Total Receptions

1

Unique Gateways