...
Citations:
[1] https://sites.willamettevalleymesh.net/K9RCP/Radiosonde/Manuals/Rs41%20Tracker%20User%20Manual.pdf
[2] https://www.rtl-sdr.com/rs41-radiosonde-tracking-software/comment-page-151/
[3] https://www.dxzone.com/dx33207/rs41-radiosondes-tracker.html
[4] https://www.reddit.com/r/RTLSDR/comments/12lcwnc/rs41_tracker_problems/
[5] http://escursioni.altervista.org/Radiosonde/
That is option 1, installed and seems to work (although it does some weird stuff to run on non-Intel CPU)
See also
https://machamradio.com/blog/2022/12/16/sdrangel-version-7-8-4-released/
did sudo port install sdrangel. It ran through a LOT of updates and downloads, but does appear to run even on M3 processor!
That's option 2. also seems to work on my laptop. Quick-start guide here: https://github.com/f4exb/sdrangel/wiki/Quick-start
And yet another option is SDR++, which supports the NooElec SDR that I have. Downloaded that for ARM version, July 26 2024.