Extremely tangentially related, but I found this youtube channel recently that is all about police and military radio and it's honestly fascinating stuff: http

Extremely tangentially related, but I found this youtube channel recently that is all about police and military radio and it's honestly fascinating stuff: https://www.youtube.com/@RingwayManchester/videos https://www.youtube.com/@RingwayManchester/videos I found it because I was doing some research on number stations[1] and got sucked down the rabbit hole. [1] https://www.youtube.com/watch?v=zjaLfOySsFc https://www.youtube.com/watch?v=zjaLfOySsFc