Cited as a reference · for some experience
Build A Long Range FM Transmitter (Homebrew Radio Station)
Why people recommend it
Linked as a cheap build tutorial for a simple FM transmitter circuit, and as an example of the tidy short-lead wiring such circuits need.
Watch for: Uses a microphone input; layout matters at these frequencies
In their words
Here is a youtube placed right at the point where you can see what something workable looks like.
jonk on electronics.stackexchange.com, Aug 2020. CC BY-SA.