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The water-resistant and lightning-protected antenna picks up signals from up to 150 miles away. pbd wa 2608 digital amplified outdoor hd tv antenna Buy: PBD WA-2608 Digital Amplified HD TV Antenna ...
A separate tuner is required to receive HD satellite broadcasts. Cable television companies in the U.S. generally prefer to use 256-QAM to transmit HDTV. Many of the newer HDTVs with integrated digital tuners include support for decoding 256-QAM in addition to 8VSB for OTA digital. Cable television companies started carrying HDTV in 2003.
If the height h is given in feet, and the distance d in statute miles, d ≈ 1.23 ⋅ h {\displaystyle d\approx 1.23\cdot {\sqrt {h}}} R is the radius of the Earth, h is the height of the ground station, H is the height of the air station d is the line of sight distance
Sellers often claim to supply a special digital or high-definition television (HDTV) antenna advised as a replacement for an existing analog television antenna; at best this is misinformation to generate sales of unneeded equipment, [9] [10] At worst, it may leave the viewer with a UHF-only antenna in a local market (particularly in North ...
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 ...
Effective Radiated Power (ERP, calculated using transmitter power and antenna HAAT) Antenna Height Above Average Terrain (HAAT) Reference distance C: 100 kW (or higher for grandfathered stations) 300 to 600 m (984 to 1,969 ft) 91.8 km (57.0 mi) C0: 100 kW 300 to 450 m (984 to 1,476 ft) 83.4 km (51.8 mi) C1: up to 100 kW under 300 m (984 ft)