If dreamed you that you listen to radio, then in real life you will be pleased by unexpected arrival of the new acquaintance. If on radio cheerful music sounds, then in real life you are waited by pleasures and prosperity. If radio works very loudly, then in reality you will be able to resist to envious people. To adjust in a dream of radio on the necessary wave means that in the near future you will face a choice problem.
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.