Electromagnetic Radiation, Radio Frequency
References
Schroeder, N. "Radio Frequency Spectrum Allocations in the United States." http://www.ntia.doc.gov/osmhome/chart_00.htm.
United States Federal Communications Commission Office of Engineering and Technology Policy and Rules Division. "The FCC's On-Line Table of Frequency Allocations." http://www.fcc.gov/oet/spectrum/table/fcctable.pdf.
United States Office of Spectrum Management. "US Frequency Allocation Chart." http://www.ntia.doc.gov/osmhome/allochrt.html.
