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Maidenhead Locator System. The Maidenhead Locator System (a.k.a. QTH Locator and IARU Locator) is a geocode system used by amateur radio operators to succinctly describe their geographic coordinates, which replaced the deprecated QRA locator, which was limited to European contacts. [1] Its purpose is to be concise, accurate, and robust in the ...
The radio station also can be heard in Kedah and Perlis. Capital FM: 88.9 MHz: STAR Rfm Sdn.Bhd (Star Radio Group, The Star) English Malay: Music: Klang Valley and Penang: Capital FM ceased transmission in October 2015, and it has since been sold to Astro Radio by Star Radio Group and then became a Chinese-language radio station "goXuan FM (now ...
Air is thin enough that in the Earth's atmosphere radio waves travel very close to the speed of light. The wavelength is the distance from one peak (crest) of the wave's electric field to the next, and is inversely proportional to the frequency of the wave. The relation of frequency and wavelength in a radio wave traveling in vacuum or air is.
Between 31 and 39 seconds past the minute inclusive, the once-per-second tones are reduced to 10-millisecond "ticks" while a digital time code is transmitted. The digital time code is formatted so that a Bell 103-compatible 300-baud modem can decode it, and CHU is the only time signal station that uses this format for its time code transmissions.
A 1:10 radio-controlled off-road buggy is a 1:10 scale radio-controlled dune buggy designed for off-road racing. These cars are based on their full-scale equivalents that are commonly found in desert racing. The buggies are split into two race categories, two (2WD) and four-wheel drive (4WD). These can easily be distinguished visually by their ...
Code talker. Choctaw soldiers in training in World War I for coded radio and telephone transmissions. A code talker was a person employed by the military during wartime to use a little-known language as a means of secret communication. The term is most often used for United States service members during the World Wars who used their knowledge ...
The Code of Practices for Television Broadcasters, also known as the Television Code, was a set of ethical standards adopted by the National Association of Broadcasters (NAB) of the United States for television programming from 1952 to 1983. The code was created to self-regulate the industry in hopes of avoiding a proposed government Advisory ...
History of radio. The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy".