Litteratur |
Lynggaard, Klaus: Musik, der ikke når radioen.
I: Information, 08/11/2010.
Radio Electronics Magazine, 1948-1992.
- https://archive.org/details/RadioElectronics195701
United States. Federal Radio Commission: Radio Service
Bulletin, April 1915,
- https://archive.org/details/RadioServiceBulletin1915-04
United States. Federal Radio Commission: Radio Service
Bulletin, 01-20 (January 1915 - August 1917)
- https://archive.org/details/RadioServiceBulletin01-20
US Federal Communications Commission 1934-.
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http://en.wikipedia.org/wiki/Federal_Communications_Commission
US Federal Radio Commission 1914-1934