Time the beam right and the star could be turned, in effect, into an FM transmitter-broadcasting to the universe on the underlying carrier-wave of the Cepheid's pulsation.
The number of people listening to short-wave radios has been dropping fast, while a growing number now listen online or via local FM re-transmissions.
收听短波电台的听众人数急剧下降，相反在线收听或者通过当地调频接受的用户不断增加。
3
The old international broadcasters have the resources to deal with censorship: the cocktail of satellite, short-wave, Internet and local FM broadcasts offers a powerful mix of solutions.