see that some want to learn ham comms etc.
Try this site
https://www.survivalistboards.com/forums/
it's a prepper site but has almost everything
a noob or even experienced prepper needs to know including comms, weapons, bug out bags, etc. You can also DM.
Some of the folks on the site are waiting for all out SHTF scenario and can be intense so tread lightly.
BTW they know a lil about anons, some of us are members.
Fo those that want to listen for starters a SDR is a cheap way to start. Just plug it in to PC usb install software.
SDR = Software-defined radio
https://www.sdr-radio.com/
You can buy a simple SDR for 10-15 bucks
and add devices like a Hack RF and more
to hack just about anything with a radio in it.
You can try some online for free
http://www.websdr.org/