Shortwave radio - Wikipedia
网页Learn about the development, features and applications of shortwave radio, a radio transmission using frequencies from 3 to 30 MHz. Find out how shortwave radio can be reflected by the ionosphere and used for long-distance communication and broadcasting.
On The Shortwaves
网页Ontheshortwaves.com is devoted to the history of shortwave broadcasting and the shortwave broadcast DXing hobby.
What is shortwave radio? Everything you need to know - Radio …
网页2023年9月3日 · Shortwave radio is a frequency that can travel long distances and reach remote areas. Learn about its invention, applications, and how to tune in to shortwave stations from around the world.
Shortwave bands - Wikipedia
网页Shortwave (HF radio) is used by transoceanic aircraft for communications with air-traffic control centers out of VHF radio range. Most countries with HF citizens'-band allocations use 40 or 80 channels between approximately 26.5 MHz and 27.9 MHz, in 10 kHz steps.
Shortwave (meteorology) - Wikipedia
网页A shortwave is a small-scale weather system embedded within a longwave. It can cause lift, precipitation, and convection due to its vorticity and advection effects.
Shortwave radio | Amateur Radio, Emergency Communications
网页2024年9月9日 · Learn about shortwave radio, a communication method that uses electromagnetic waves about 10 to 80 m in length. Find out how shortwave radio is used for international broadcasting, amateur radio, and emergency services.
A Complete History Of Shortwave Radio - Timelines & Facts
网页2023年11月26日 · Shortwave radios provide popular entertainment and major urgent news in most parts of the world except the most developed continents like Europe, Japan, and North America. These continents’ commercial and government programming is transmitted with other frequency bands.
All About Vintage Shortwave Radios (And Where to Find Them)
网页Learn about the history, technology, and collecting of vintage shortwave radios, capable of receiving shortwave frequencies between 1.6 and 30 MHz. Find out how to tune into international broadcasts, use shortwave radios for emergency preparedness, and restore and preserve your own collection.
Shortwave Definition & Meaning - Merriam-Webster
网页1. : a radio wave having a wavelength between 10 and 100 meters. 2. : a radio transmitter or receiver using shortwaves. 3. : electromagnetic radiation having a wavelength equal to …
Radio World: The evolution of shortwave radio | The SWLing Post
网页2016年8月2日 · The shortwaves are a dynamic communications space that continues to evolve. That’s why I keep listening. Want to read more about the future of shortwave radio?
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