It's all about the Software

Update Default cluster

spider.sdr-radio.com:8000
The DX Cluster node at spider.sdr-radio.com will close on April 1st,
2026. Please select another node.

Replace Default Satellite TLE links - None of them work anymore

I suggest:
http://www.amsat.org/amsat/ftp/keps/current/daily-bulletin.txt
http://www.amsat.org/amsat/ftp/keps/current/dailytle.txt
http://www.amsat.org/amsat/ftp/keps/current/nasa.all
http://www.amsat.org/tle/dailytle.txt

http ...