Why do FM radio stations end in odd numbers?

FM radio stations in the U.S. transmit in bands between 88 megahertz and 108 megahertz. Inside this band, each station occupies a 200-kilohertz section, and all of these sections start and end on odd number boundaries. This means there can be a radio station at 88.1 megahertz, 88.3 megahertz, 88.5 megahertz, and so on. This was done by the FCC to prevent radio stations from interfering with one another. Radio stations that are only 0.1 megahertz tend to bleed into each other more often.

Interesting Trivia
1. Many countries have radio stations that end in even numbers.
2. Radio waves take about 8 minutes to travel from the Earth to the Sun.
3. The word ‘broadcasting’, referring to radio transmissions, was originally an agricultural term used to describe the wide scattering of seeds.

Interesting Sources
HowStuffWorks. Why do all FM radio stations end in an odd number?. Retrieved from https://electronics.howstuffworks.com/fm-station-odd-number.htm on 2/7/2018.

           
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I’ve always been an extremely curious person. Questions constantly pop in and out of my head during the day, ALL DAY.

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