Translation and analysis of words by ChatGPT artificial intelligence
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What (who) is pulse-modulated transmitter - definition
![Animation of a [[half-wave dipole]] antenna transmitting [[radio waves]], showing the [[electric field]] lines. The antenna in the center is two vertical metal rods, with an alternating current applied at its center from a radio transmitter ''(not shown)''. The voltage charges the two sides of the antenna alternately positive ''<span style="color:red;">(+)</span>'' and negative ''<span style="color:blue;">(−)</span>''. Loops of electric field ''(black lines)'' leave the antenna and travel away at the [[speed of light]]; these are the radio waves. This animation shows the action slowed enormously](https://commons.wikimedia.org/wiki/Special:FilePath/Dipole xmting antenna animation 4 408x318x150ms.gif?width=200 "Animation of a [[half-wave dipole]] antenna transmitting [[radio waves]], showing the [[electric field]] lines. The antenna in the center is two vertical metal rods, with an alternating current applied at its center from a radio transmitter ''(not shown)''. The voltage charges the two sides of the antenna alternately positive ''<span style=\"color:red;\">(+)</span>'' and negative ''<span style=\"color:blue;\">(−)</span>''. Loops of electric field ''(black lines)'' leave the antenna and travel away at the [[speed of light]]; these are the radio waves. This animation shows the action slowed enormously")
![A radio transmitter is usually part of a [[radio communication]] system which uses [[electromagnetic wave]]s ([[radio wave]]s) to transport information (in this case sound) over a distance.](https://commons.wikimedia.org/wiki/Special:FilePath/Signal processing system.png?width=200 "A radio transmitter is usually part of a [[radio communication]] system which uses [[electromagnetic wave]]s ([[radio wave]]s) to transport information (in this case sound) over a distance.")
![[[Guglielmo Marconi]]'s [[spark gap transmitter]], with which he performed the first experiments in practical [[Morse code]] [[radiotelegraphy]] communication in 1895–1897](https://commons.wikimedia.org/wiki/Special:FilePath/Marconi 1897 spark gap transmitter.jpg?width=200 "[[Guglielmo Marconi]]'s [[spark gap transmitter]], with which he performed the first experiments in practical [[Morse code]] [[radiotelegraphy]] communication in 1895–1897")
![High power spark gap [[radiotelegraphy]] transmitter in Australia around 1910.](https://commons.wikimedia.org/wiki/Special:FilePath/Powerful spark gap transmitter.png?width=200 "High power spark gap [[radiotelegraphy]] transmitter in Australia around 1910.")
![1 MW US Navy [[Poulsen arc]] transmitter which generated continuous waves using an electric arc in a magnetic field, a technology used for a brief period from 1903 until vacuum tubes took over in the 20s](https://commons.wikimedia.org/wiki/Special:FilePath/Poulsen arc 1MW transmitter.jpg?width=200 "1 MW US Navy [[Poulsen arc]] transmitter which generated continuous waves using an electric arc in a magnetic field, a technology used for a brief period from 1903 until vacuum tubes took over in the 20s")
![An [[Alexanderson alternator]], a huge rotating machine used as a radio transmitter at very low frequency from about 1910 until World War 2](https://commons.wikimedia.org/wiki/Special:FilePath/Alexanderson Alternator.jpg?width=200 "An [[Alexanderson alternator]], a huge rotating machine used as a radio transmitter at very low frequency from about 1910 until World War 2")
![AM]] radio transmitters, built by [[Lee De Forest]] in 1914. The early [[Audion]] ([[triode]]) tube is visible at right.](https://commons.wikimedia.org/wiki/Special:FilePath/First vacuum tube AM radio transmitter.jpg?width=200 "AM]] radio transmitters, built by [[Lee De Forest]] in 1914. The early [[Audion]] ([[triode]]) tube is visible at right.")
![Armstrong's first experimental FM broadcast transmitter W2XDG, in the [[Empire State Building]], New York City, used for secret tests 1934–1935. It transmitted on 41 MHz at a power of 2 kW.](https://commons.wikimedia.org/wiki/Special:FilePath/Armstrong prototype FM transmitter 1935.jpg?width=200 "Armstrong's first experimental FM broadcast transmitter W2XDG, in the [[Empire State Building]], New York City, used for secret tests 1934–1935. It transmitted on 41 MHz at a power of 2 kW.")
![waveguide]] which conducts them to the dish antenna.](https://commons.wikimedia.org/wiki/Special:FilePath/Magnetron radar assembly 1947.jpg?width=200 "waveguide]] which conducts them to the dish antenna.")
Wikipedia
Löffelstelzen Transmitter is a broadcasting facility of SWR at Bad Mergentheim-Löffelstelzen in northern Baden-Württemberg, Germany. It was inaugurated at the beginning of the 1950s and used at those days a guyed mast, which was insulated against ground, because it was used for medium-wave broadcasting with a butterfly antenna for FM- and TV-transmission on its top. Later this mast was replaced by a concrete tower, which carried an antenna for FM-/TV-broadcasting on its top and a cage and a wire antenna for medium-wave broadcasting at its site. This tower was replaced between 1998 and 2000 by a 179 metre tall concrete tower. This tower is not equipped with an antenna for medium wave broadcasting, because this was ceased in 2000 at the Löffelstelzen transmission site.
