Answer: shortwave

AnswerCrossword Clue
SHORTWAVEKind of radio
SHORTWAVERadio medium for Voice of America.
SHORTWAVERadio for overseas.
SHORTWAVEHaving a frequency over 1,600 kilohertz
SHORTWAVEHam's equipment
shortwaveBroadcasting using radio waves of this wavelength
shortwavea radio wave with a frequency of between 10m and 100m / to broadcast on shortwave
shortwaveA radio wave of a wavelength between about 10 and 100 m (and a frequency of about 3 to 30 MHz)