The basic premise of SETI is that aliens know of our existence and are trying to contact us, in which case they wouldn’t use a technology that we knowingly don’t possess. That’s also the premise of the movie Contact.
There are entire counties that are smaller than the VLA complex. You see it from MILES away across the desert and plateau. Absolutely amazing place.
Be warned though. Cell phone coverage within a forty-minute drive of the place is nonexistent.
LOL, yeah right.