bn:00071263n
Noun Concept
Categories: International broadcasting, Short wave radio, Radio, Guglielmo Marconi, Radio spectrum
EN
short wave  shortwave radio  shortwave  High Frequency  History of shortwave radio
EN
A radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz) WordNet 3.0
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EN
Shortwave radio is radio transmission using radio frequencies in the shortwave bands. Wikipedia
Radio broadcasting using radiowaves with wavelengths between 10 to 100 meters, and frequencies between 3 to 30 megahertz Wikidata
Radio transmissions using wavelengths between 10-100m Wikidata
An electromagnetic wave having a wavelength between approximately 10 and 100 meters, corresponding to frequencies between 3 and 30 MHz. Wiktionary
EN
Shortwaves are longer than microwaves. Wiktionary