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It evolved- in tandem and in paralell with amateur or Ham radio. one can call Hugo Gernsback- who published all manner of radio and related hobby magazines- as in effect the founding father- Hugo also was a prolific science-fiction writer. The idea of bouncing radio signals off planets was suggested in sober language in his radio magazines as early as l927 ( the year Gina Lollobrigida rolled off the Lines, The Yankees were burning up the league- and the San Rafael went missing in action- exactly ten years BEFORE the much- better known Electra Project. Glug Glug.
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoThe concept of modulating the amplitude of an AC current was known for a long time, around the end of the 19th Century and beginning of the 20th. It's just that nobody had the hardware to be able to generate it. I'd say the best candidate for 'inventor' was Lee deForest, who invented a practical triode vacuum tube, in 1907 I think, making it possible to modulate the RF signal on the plate with a small secondary AC signal applied to the grid.
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Does mechinal waves have radio waves?
no, mechanical waves are not radio waves
How are electromagnetic waves different to radio waves?
Radio waves ARE electromagnetic waves.
What is a radio wave?
Radio waves are electromagnetic waves. The radio waves have the longest wavelengths in the electromagnetic spectrum. A radio wave has a much longer wavelength than does visible light. We use radio waves extensively for communications.
Was the radio named after radio waves or were radio waves named after the radio?
Radio waves were discovered before the radio was invented.
Radio waves and cell pjones?
Radio waves and cell phones
Does mechinal waves have radio waves?
no, mechanical waves are not radio waves
Are radio waves transverse waves or longitudinal waves?
Transverse. Radio waves are electromagnetic waves, which are transverse.
How are electromagnetic waves different to radio waves?
Radio waves ARE electromagnetic waves.
Are radar waves visible?
No. Radar waves are one category of radio waves. Think of all the radio waves that are all around you right now . . . AM radio, FM radio, police and fire radio, highway patrol radio, taxi radio, television picture and sound radio waves, cellphone radio waves, garage-door-opener radio waves, bluetooth radio waves, WiFi waves, microwaves ... and you can't see any of them ! Radar waves can easily be there in the group.
How are radio and television waves added to em radio waves?
by changing the amplitude or frequency of the radio waves.
What radio waves?
Radio waves are electromagnetic waves occurring on the radio frequency portion of the electromagnetic spectrum.
Are AM radio waves are an example of longitudinal waves?
No. Radio waves are a type of electromagnetic waves; electroctromagnetic waves are transverse waves.
How are radio waves formed?
How are radio waves formed?
When was Radio Waves - radio station - created?
Radio Waves - radio station - was created in 2010.
How are radio waves and television signals added to EM radio waves?
by changing the amplitude or frequency of the radio waves.
Why the radio waves are similar to light waves but not sound wavesexplain?
Radio and light waves are electromagnetic waves, sound waves are not.
What is a radio wave?
Radio waves are electromagnetic waves. The radio waves have the longest wavelengths in the electromagnetic spectrum. A radio wave has a much longer wavelength than does visible light. We use radio waves extensively for communications.
