Department of Commerce Secretary Donald Evans
Description:
Department of Commerce Secretary Donald Evans presenting in front of a U.S. frequency allocation chart, which regulates what parts of the electromagnetic spectrum can be used by different telecommunication services. (Image courtesy of U.S. Department of Commerce.)
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Department of Commerce Secretary Donald Evans
Alt text:
Commerce Secretary Evans presenting in front of a chart of the electromagnetic spectrum.
Caption:
Department of Commerce Secretary Donald Evans presenting in front of a U.S. frequency allocation chart, which regulates what parts of the electromagnetic spectrum can be used by different telecommunication services. (Image courtesy of U.S. Department of Commerce.)
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Fall
2003
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