Quote Originally Posted by Kesephist View Post
Duplex operation. Hankers back from the days of a dedicated separate rcvr & xmtr. Sort of thing that would give the wankers at Meade and Bluffdale a workout for a few days.

Meh. With a laptop and a $20 SDR dongle https://www.amazon.com/NooElec-NESDR...ords=sdr+radio
you can find and monitor likely frequencies pretty quickly.