Extra Questions - The Science Behind Broadcasting
How does a radio broadcast work? We must have been on your wavelength this week, as we had more questions that we could fit in Naked Scientists Show! Here are the extra bits...
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In this edition of Special
Digital television signals. We’ve got a nice number of channels to choose from, okay, that's all very nice, but the signal qualities and the strength of those signals are absolutely hopeless. Whenever we get unsettled weather conditions like high winds or wind, rain, and even f...
After a day of boredom I worked out that it would theoretically take 0.002 seconds for your show to reach me in Dundee (ignoring the time for your voice to reach the microphone and the time for the sound wave to reach my ears were ignored). However, I was wondering how long it wo...
How do you stop all the different radio stations interfering with each other? How is local radio local and national radio, national?
There could be 5 or 6 transmitters on a high power frequency in Britain for the network radio 5 Live. So, how do they position those transmitters so that if I'm listening in a certain place, a wave coming from one transmitter isn’t going to mix with the wave coming from another ...
DAB broadcasts have different bit rates. Some sound better than others. Who decides what these should be?
What are the government going to do with the FM bandwidth that's freed up by the move to digital?