Spark-gap transmitter
A spark-gap transmitter is a device that generates radio frequency electromagnetic waves using a spark gap. Spark gap transmitters were the first devices to demonstrate practical radio transmission, and were the standard technology for the first three decades of radio (1887–1916). Later, more efficient transmitters were developed based on rotary machines like the high-speed Alexanderson alternators and the static Poulsen Arc generators.
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Spark-gap transmitter
A spark-gap transmitter is a device that generates radio frequency electromagnetic waves using a spark gap. Spark gap transmitters were the first devices to demonstrate practical radio transmission, and were the standard technology for the first three decades of radio (1887–1916). Later, more efficient transmitters were developed based on rotary machines like the high-speed Alexanderson alternators and the static Poulsen Arc generators.
has abstract
A spark-gap transmitter is a d ...... nd a radio message or signal."
@en
Der Löschfunkensender, auch To ...... r erste FT-Notruf übermittelt.
@de
Een vonkgenerator is een toest ...... kkelen van de radiotelegrafie.
@nl
Emissor de faísca (ou transmis ...... e em uso até à década de 1930.
@pt
Nadajnik iskrowy – rodzaj nada ...... y praktycznych demonstracjach.
@pl
Un trasmettitore a spinteromet ...... a tecnologia non fu più usata.
@it
Un émetteur à étincelles désig ...... océdé est à présent abandonné.
@fr
火花送信機（ひばなそうしんき）あるいは火花式送信機は、かつて ...... 優れた真空管式送信機の登場により、急速に使用されなくなった。
@ja
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A spark-gap transmitter is a d ...... static Poulsen Arc generators.
@en
Der Löschfunkensender, auch To ...... r erste FT-Notruf übermittelt.
@de
Een vonkgenerator is een toest ...... umentmaker Heinrich Ruhmkorff.
@nl
Emissor de faísca (ou transmis ...... e em uso até à década de 1930.
@pt
Nadajnik iskrowy – rodzaj nada ...... y praktycznych demonstracjach.
@pl
Un trasmettitore a spinteromet ...... se veniva rilasciato, permette
@it
Un émetteur à étincelles désig ...... océdé est à présent abandonné.
@fr
火花送信機（ひばなそうしんき）あるいは火花式送信機は、かつて ...... 優れた真空管式送信機の登場により、急速に使用されなくなった。
@ja
label
Emissor de faísca
@pt
Löschfunkensender
@de
Nadajnik iskrowy
@pl
Spark-gap transmitter
@en
Trasmettitore a spinterometro
@it
Vonkgenerator
@nl
Émetteur à étincelles
@fr
火花送信機
@ja
