What Is This UFO?

This week's sound was strongly reminiscent of the odd soundtrack, the BBC radio phonic workshop provided. Gunther Helmut wrote in said sounds like FT8 digital mode communication for amateur radio on HF band. Visto 2D got very close because he says, sounds like shortwave radio transmitting data. David Mool Richardson said, this is probably wrong, but I remember hearing the 1970s BBC radio adaption of Isaac Asimov's initial foundation trilogy at university. Michael Blaney wrote in, said hi, Jay, okay, it's not a UFO. Of that, I'm going for a 14400 baud modem failing to make a connection.