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Tag Archives :NVIS

NVIS:Guarantee of Short-Wave near field communication

NVIS is short for Near Vertical Incidence Skywave. It's short-range near field communication method which is widely used in military communications, nearby emergency rescue and other fields. NVIS and DW are the main methods of shortwave communication, so what is the difference between them?  ...

Read more  AmateurRadio,  NVIS,  ShortWave