Local ham clubs, if any, will have occasional field days. People gather, they throw up an antenna, and do ham stuff. If you get involved I it, you’ll likely meet someone that does shortwave. It can be really cheap to gets 2 meter setup in your car, and a handheld.
Here is a dumb question..... if you initiate and end broadcasts with a fake call sign..... how is anyone going to know it is fake and you aren’t licensed?