I am down here in Houston and have always wondered why FM radio stations end in an odd number. (E.G. 101.1 or 94.5) We have at least 20 FM radio stations and every single one of them ends in an odd number. Is that true everywhere? And if it is true, why? Why isn't there a 93.6 or a 104.2? It's a slow day and I was just wondering. Thanks in advance for any help anyone can provide.