1. http://www.fcc.gov/dtv.
2. http://www.ntia.doc.gov/osmhome/allochrt.html, U.S. Frequency Allocations, Office of Spectrum Management, National Telecommunications and Information Administration, USA.
3. A planar DTV receiving antenna for laptop applications
4. Planar antennas for wireless communications, J Wiley, New York, 2003, ch. 3.