Quote:
Originally Posted by jharker
One thing you'll notice, for example with CB radio, is that if too many people are on the same channel it can be quite confusing. This is a mild example of the "radio pollution" I mentioned earlier, and it's why the majority of the broadcast spectrum is regulated.
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I used to be a radio astronomer, and that science can only exist
because government regulation leaves certain frequency "holes" in the radio spectrum "open" for radio telescopes to "look through". Radio frequency allocation is something that it's absolutely essential for governments to do, and enforce the international agreements that leave the radio astronomy bands "quiet".