AFTER successfully installing OBS Studio Version 29 or later , please download OBS Websocket 4.9.1 compat:
Releases ยท obsproject/obs-websocket (github.com)
After installing OBS Websocket 4.9.1 compat , in the OBS menu under Tools there should now be a
new entry called Websockets Server Settings (4.x Compat). Select this entry:

Make sure that:
Enable Websockets Server is CHECKED
Server Port is 4444
Enable Authentication is UNCHECKED
In OBS Studio, go to VIEW – DOCKS – CUSTOM BROWSER DOCKS

In the DOCK NAME field, enter LOGIN. In the URL field, enter http://hams.live/log-in/
Click Apply and Close.

The new LOGIN browser dock window can be integrated into the OBS interface by dragging to desired location. LOGIN is used to access the hams.live system each time you start OBS. After
logging in will display controls allowing settings for all SDR Sources to be made.
Please download the latest hams.live Scene Collection file:
NORTH AMERICA
WORLD
and then import into OBS Studio. This will load system SDR Sources information.