The shortwave frequencies have to be altered regularly because of varying physical propagation conditions. Unlike FM, medium and long wave frequencies, shortwave frequencies have to be changed ...

For this reason, these radios tuned across a massive frequency range. Not only could they tune the standard AM broadcast band, they also covered shortwave frequencies from 2-18 MHz. Restoring ...

The FM and AM Frequencies table has been discontinued ... visit our Ways to Listen guide.

Dating back to the early 1900s when Morse code was transmitted rather than voice, amateur radio operates in the shortwave frequency bands using AM, FM, SSB (single sideband) and other modulation ...

If no frequencies are shown next to a programme title on the daily short-wave schedule you have requested, this means that there are no frequencies beamed toward your chosen city at that time of day.

AM waves, which have a lower frequency, are attenuated when they are refracted from the ionosphere or the Earth’s surface, resulting in shorter travel distances than shortwaves. Shortwave radio ...

The shortwave radio station, found on frequency 4625 kHz, has been running for at least 50 years. It has been appropriately nicknamed 'The Buzzer'. But rumors as to its origins continue to swirl ...

Here is our ultimate guide to surround sound, covering how it came into being ... which could provide audio for five full bandwidth channels and a low-frequency effects (LFE) channel for a subwoofer.

(Public domain) Between World War II and Y2K, shortwave listening was quite an education. With a simple receiver, you could listen to the world. Some of it, of course, was entertainment ...

The shortwave infrared (SWIR) market is anticipated to be worth $418.0 million by 2033. Over the next decade, the market is predicted to increase at a compound yearly growth rate of 7.8%. It is ...

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A special shortwave broadcast is being made to mark the occasion. The station's current operator, Encompass Digital Media, said it was important to mark the site's history. "It was the last of the ...