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English: The image gives six circuit diagrams (schematics) for balanced line antenna tuners of the tuned-transformer type, discussed in the Wikipedia article "Antenna Tuner" or "ATU". It is an edited version of the original by JNRSTANLEY uploaded 2014-10-15.
5: A 5 is a high set to the right antenna where an opposite (right front) attacker may hit it. Pipe: A pipe is a high set to the middle back, right behind the 10' line where a back row attacker may hit it. 3: A 3 (also referred to as a 32 or 33) is a shoot set between the outside and middle hitters. Much like a combination of a 1 and a shoot.
The Electroline; the first computerized, electronic line judge device, introduced in 1974. An electronic line judge is a device used in tennis to automatically detect where a ball has landed on the court. Attempts to revolutionize tennis officiating and the judging of calls in the sport began in the early 1970s and has resulted in the design ...
Line judge (tennis), an official in tennis to observe the passage of tennis balls over the boundary lines of the court Electronic line judge, an electronic system used in tennis to automatically detect where a ball has landed on the court; Line judge (gridiron football), an official in gridiron football responsible for the line of scrimmage and ...
The antenna feed system or antenna feed is the cable or conductor, and other associated equipment, which connects the transmitter or receiver with the antenna and makes the two devices compatible. [ 1 ] [ 2 ] In a radio transmitter, the transmitter generates an alternating current of radio frequency , and the feed system feeds the current to ...
FILE - Switzerland's Stan Wawrinka jokes with a line judge in his Men's singles match against United States' Reilly Opelka during the Wimbledon Tennis Championships in London, Wednesday, July 3, 2019.
For the first time in its 147-year history, Wimbledon will be removing line judges from all of its courts during the tournament. For the first time in its 147-year history, Wimbledon will be ...
With no matching unit, Varney specified 75 Ω cable be used at the junction of the ladder line and coax (not 50 Ω); the higher 75 Ω impedance makes a closer match the end of the ladder line. An earth-grounded 4:1 voltage balun may be used to connect the coax to the ladder line, and 1:1 current balun should be used between the coax and the ...