Hi I'm new to this section of the site. This post caught my eye but I may be way off base here.
So right now 694O KHz is beating sumthing like one pulse per second. With occasional double pulses or longer 2-beat pulses. And I can't tell if it's supposed to be LSB or AM... LSB i assume. Now it's 22:06z and I've been hearing this about 15 min.
Is this what you're talking about? Stuff like that?
There are far too many possible answers to be sure without more detail. A recording would be a good place to start, preferably in USB mode.
Not too far away in frequency should be some Link-11, and that is a possible answer to what you are hearing.
Link-11 is variable in sound, depending on how much data each node is sending and how many nodes are in the circuit. So don’t think of the following recording as the only way it can sound, it might sound a bit different than this:
https://www.youtube.com/watch?v=__-rtLRQUhgT!