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2. Height above average terrain - Wikipedia

   en.wikipedia.org/wiki/Height_above_average_terrain

   The FCC procedure to calculate HAAT is: from the proposed or actual antenna site, either 12 or 16 radials were drawn, and points at 2, 4, 6, 8, and 10 miles (16 km) radius along each radial were used. The entire radial graph could be rotated to achieve the best effect for the station.

3. Very high frequency - Wikipedia

   en.wikipedia.org/wiki/Very_high_frequency

   Very high frequency (VHF) is the ITU designation [1] [2] [3] for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten meters to one meter.

4. The 7 Best HDTV Antenna Amplifiers of 2023 For a Better Signal

   www.aol.com/lifestyle/best-high-definition-tv...

   The frequencies range from 300 to 3,000 megahertz, with channels typically numbered from 14 to 83. ... To select the best TV antenna amplifiers, we consulted Lynn Claudy, senior vice president ...

5. TV and FM DX - Wikipedia

   en.wikipedia.org/wiki/TV_and_FM_DX

   The development of interest in TV-FM DX as a hobby can arise after more distant signals are either intentionally or accidentally discovered, leading to a serious interest in improving the listener's antenna and receiving installation for the purpose of actively seeking long-range television and radio reception.

6. Television antenna - Wikipedia

   en.wikipedia.org/wiki/Television_antenna

   The most common types of indoor antennas are the dipole [2] ("rabbit ears"), which work best for VHF channels, and loop antennas, which work best for UHF. [3] Outdoor antennas on the other hand are designed to be mounted on a mast on top of the owner's house, [ 4 ] or in a loft or attic where the dry conditions and increased elevation are ...

7. Coverage map - Wikipedia

   en.wikipedia.org/wiki/Coverage_map

   The receiving antenna height of 10m dates from the 1950s when receivers were relatively insensitive and used rooftop antennas. Although this may seem unrealistic for typical situations today, when combined with the above threshold it is considered a good proxy for providing coverage to more sensitive modern receivers used without external ...