1. If you are using a modulated square-wave without a filter, than the harmonics/overtones will be splattering the local spectrum.
2. Tools like KerberosSDR make triangulating illegal broadcasts rather trivial.
3. Keep in mind, some places have a $5k fine and 1 year in jail... if you are illegally broadcasting.
It is if you are trying to run from someone who's liable to pluck your address out of a public database (like the one the FCC runs) and come after you, possibly with murderous intent. It is if the government persists in misgendering you because hating you is politically fashionable in some circles. I'm not arguing that it's conceptually difficult, but "That Hobby Where The Government Publishes Your Home Address" might be unpopular for reasons beyond the difficulty of understanding the hobby's conceptual level.
Read about halfway through this book so far, and It argues a fairly good case that Mr. Burns was based on a real person: https://www.amazon.ca/When-McKinsey-Comes-Town-Consulting/dp...
Have a wonderful day, and have faith most are lazier than they are evil =)
But you don't know. If it's radiating a few milliwatts (or even microwatts), that's sufficient signal to be hear across town in a sensitive receiver.
The really sad thing is that the unwanted signals could well be stronger than the unwanted one due to unwanted resonances in the antenna wire, etc.
1. The radio will kinda suck. You’re probably not doing it wrong.
2. The sanest way to get pifm to play a stream (say from modipy) is a FIFO. gstreamer will be your friend.
3. Music will sound like garbage without a high and low pass filter.
3.1 Volume becomes an issue, you’ll need to amplify quite a bit to match the volume of real radio stations so your ears don’t get blown out if it flips stations.
4. It’s really low power so really really long wire paid dividends to get whole apartment coverage.
5. Tuning will be really finicky since FM kinda “attaches” to a station and you’ll be competing with basically every frequency already taken by the big towers.
If you want to take the next step I have https://www.adafruit.com/product/1958 and am very happy with it.