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1 на частотах ниже 30 МГц
на частотах ниже 30 МГц
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[ http://www.iks-media.ru/glossary/index.html?glossid=2400324]Тематики
- электросвязь, основные понятия
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Русско-английский словарь нормативно-технической терминологии > на частотах ниже 30 МГц
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Shortwave — radio operates between the frequencies of 3,000 kHz (3.000 MHz) and 30,000 kHz (30.000 MHz) [ Tomislav Stimac, [http://www.vlf.it/frequency/bands.html Definition of frequency bands (VLF, ELF... etc.)] . IK1QFK Home Page (vlf.it).] and came to be… … Wikipedia