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While viewing an HDTV display from a shorter distance can produce an increased sense of presence, the limitations of technology can have an adverse effect if the viewer is too close to the display. If you examine an LCD or plasma HDTV display when it is turned off, you can see the construction of the pixel grid. Turning the display on doesn't ...
The "primary service area" is the area served by a station's strongest signal. The "city-grade contour" is 70 dBμ ( decibels relative to one microvolt per meter of signal strength) or 3.16mV/m (millivolts per meter) for FM stations in the United States , according to Federal Communications Commission (FCC) regulations.
The cost of patent licensing, estimated at up to $50 per digital TV receiver, [3] had prompted complaints by manufacturers. [4] As with other systems, ATSC depends on numerous interwoven standards, e.g., the EIA-708 standard for digital closed captioning, leading to variations in implementation.
A coverage map may be produced to indicate the area in which a certain signal strength is delivered. [1] Even if it is 100% accurate (which it never is), a major factor on whether a signal is receivable depends very much on whether the receiving apparatus is sensitive enough to use a signal of that level.
Buy: RCA Outdoor Yagi Satellite HD TV Antenna $54.04 (orig. $79.99) 32% OFF . 3. Best Buy Essentials Amplified Ultra-Thin Film Indoor HDTV Antenna
Height above average terrain (HAAT), or (less popularly) effective height above average terrain (EHAAT), is the vertical position of an antenna site above the surrounding landscape. HAAT is used extensively in FM radio and television , as it is more important than effective radiated power (ERP) in determining the range of broadcasts ( VHF and ...
LNA-100 Boost Antenna Amplifier. If you’re looking for an antenna amplifier that's easy to set up and minimizes wires in your house, the Winegard LNA-100 Boost is an ideal choice.
The far-field range was the original antenna measurement technique, and the simplest; it consists of placing the antenna under test (AUT) a long distance away from the instrumentation antenna. Generally, the far-field distance or Fraunhofer distance , D F r n h , {\displaystyle \ D_{\mathsf {Frnh}}\ ,} is considered to be
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