Shortwave Radio
High frequency, Medium frequency, History of radio
978-613-6-08885-3
6136088851
88
2012-05-14
34.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Shortwave radio refers to the upper MF and all of the HF portion of the radio spectrum, between 1,800–30,000 kHz. Shortwave radio received its name because the wavelengths in this band are shorter than 200 m which marked the original upper limit of the medium frequency band first used for radio communications. The broadcast medium wave band now extends above the 200 m/1500 kHz limit, and the amateur radio 1.8 MHz – 2.0 MHz band is the lowest-frequency band considered to be 'shortwave'.
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