Modern Radio
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In our eReader you can find the full English version of the book. Read Modern Radio Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Modern Radio
What reading level is Modern Radio book?
To quickly assess the difficulty of the text, read a short excerpt:
These layers refract radio waves of certain frequencies. Lower frequency waves are turned back toward the earth by the E layer. Waves of higher frequency pass through the E layer and are turned back toward the earth by the F layers. If the frequency is high enough, the carrier wave will pass through the entire region and will not be returned to the earth by these ionized layers. A frequency as high as this may be lost in space, though some scien- tists believe that there are other regions which... might cause it to return. But when the proper frequencies are used, the ionized layers act similarly to a mirror, except that they refract the waves instead of reflecting them.
Light rays normally travel in a straight line. When their course is altered by fog, water, or some other substance, the rays are said to be refracted. This also applies to radio waves. They are only reflected when they rebound from an object as light rays do from a mirror.
If the radio sky wave strikes the ionosphere at an angle it will be bent back toward the earth at an angle.
What to read after Modern Radio?
You can find similar books in the "Read Also" column, or choose other free books by Kingdon S Tyler to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
These layers refract radio waves of certain frequencies. Lower frequency waves are turned back toward the earth by the E layer. Waves of higher frequency pass through the E layer and are turned back toward the earth by the F layers. If the frequency is high enough, the carrier wave will pass through the entire region and will not be returned to the earth by these ionized layers. A frequency as high as this may be lost in space, though some scien- tists believe that there are other regions which... might cause it to return. But when the proper frequencies are used, the ionized layers act similarly to a mirror, except that they refract the waves instead of reflecting them.
Light rays normally travel in a straight line. When their course is altered by fog, water, or some other substance, the rays are said to be refracted. This also applies to radio waves. They are only reflected when they rebound from an object as light rays do from a mirror.
If the radio sky wave strikes the ionosphere at an angle it will be bent back toward the earth at an angle.
What to read after Modern Radio?
You can find similar books in the "Read Also" column, or choose other free books by Kingdon S Tyler to read onlineMoreLess
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