where electrical power generation technology meets radio technology. [View all]
what i am about to present to u is called a alexenderson alternator or generator that creates radio waves . this radio alternator was invented by Ernst Alexanderson .An Alexanderson alternator is a rotating machine invented by Ernst Alexanderson in 1904 for the generation of high-frequency alternating current for use as a radio transmitter. It was one of the first devices capable of generating the continuous... Wikipedia. there is only one type of these left in the world that is in operating conditon. it works on a frequency of 17.2 kc , and the startup of this machne is very elaborate and fascinating to watch. this last station is in Grimeton Radio Station in southern Sweden, close to Varberg in Halland, is an early longwave transatlantic wireless telegraphy station built in 1922–1924, that has been preserved as a historical site.
https://en.wikipedia.org/wiki/Grimeton_Radio_Station
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