Plant of W2XAF
OME very interesting details of the plant used at the American shortwave station, W2XAF, have come to hand. This transmitter is one of the several developmental transmitters maintained by the G.H. Co. at. Schenectady, U.S.A. The frequency of the transmitter is kept constant by means of a 2287.5 kilocycle quartz crystal, which is operated under thermostatic control. The output of the crystal oscillator is passed through a frequency | multiplier until the output frequency is four times that of the input or 9150 kilocycles,'’ which. corresponds to a wavelength of 31.4 metres. The power to the aerial is 10,000 watts, and all modulation is carried out on the last frequency doubling stage.
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https://paperspast.natlib.govt.nz/periodicals/RADREC19290215.2.37
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Radio Record, Volume II, Issue 31, 15 February 1929, Page 8
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114Plant of W2XAF Radio Record, Volume II, Issue 31, 15 February 1929, Page 8
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