They contacted me about a week after I submitted my application.
The phone interview was mostly non-technical, just basic behavioral
questions from HR, but they did ask me about the principles of signal
modulation, radar equipment, and Fourier transforms.
After the phone screen they called me the next day to schedule the
in-person interview, and mentioned that it would take about 24 hours to
clear the travel details.
They never called back, and never responded to my emails.