For anyone else like me that wasn't sure what ATA stood for, this is not the ATA hardware attachment interface. ATA here is Allen Telescope Array: <a href="https://en.m.wikipedia.org/wiki/Allen_Telescope_Array" rel="nofollow">https://en.m.wikipedia.org/wiki/Allen_Telescope_Array</a>
Excellent! Love seeing walkthroughs of data processing of radio telescope arrays. I've long been ashamed that it just doesn't seem to "click" for me, but I keep trying.