shortwave radio：短波廣播
短波廣播
Best Portable Shortwave Radios
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PRUNUS Retro Portable Radio AM FM Shortwave Radio Transistor Battery Operated Vintage Radio with Bluetooth Speaker, 3-Way/AC Power Sources,AUX TF Card USB ...
Eton E10 AMFM Shortwave Radio (Discontinued by ...
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Very compact, full-featured digital shortwave radio · Bright, backlit LCD screen; independent fine-tuning control knob and calibrated signal meter ...
Portable Shortwave Radios
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XHDATA D109 Portable Shortwave Radio - Battery Operated AM FM SW LW World Band Radio DSP Good Reception Radio with Great Sound Mp3 Speaker Wireless BT Alarm ...
Shortwave listening
https://en.wikipedia.org
Shortwave listening, or SWLing, is the hobby of listening to shortwave radio broadcasts located on frequencies between 1700 kHz and 30 MHz.
Shortwave radio
https://en.wikipedia.org
Shortwave radio is radio transmission using shortwave (SW) radio frequencies. There is no official definition of the band, but the range always includes all ...
Shortwave radio
https://www.britannica.com
shortwave radio, transmission and reception of information by means of electromagnetic waves about 10 to 80 m (33 to 262 feet) in length having frequencies ...
SWLing.com
https://swling.com
SWLing (Shortwave Radio Listening) is one of the most popular radio activities in the world. Even with the advent of the world wide web, SWLing stands apart ...