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Glowbug transmitter hand built by AI2Q "Glowbug" is a term used by US amateurs to describe a simple home-made tube-type radio set, reminiscent of the shortwave radio-building craze of the 1920s and 30s. Generally, any small, home-built tube-type transmitter or receiver may be referred to as a glowbug.
The Antique Radio Club of Illinois operates a vintage radio station as a public demonstration at the Antique RadioFest allowing licensed amateurs who visit to operate the transmitter. [29] [30] The Amateur Radio Lighthouse Society and The AM Radio Network's [31] "Expedition to Thomas Point Shoal Lighthouse" in Chesapeake Bay, MD commemorated ...
As a crystal radio has no power supply, the sound power produced by the earphone comes solely from the transmitter of the radio station being received, via the radio waves captured by the antenna. [3] The power available to a receiving antenna decreases with the square of its distance from the radio transmitter. [46]
Although a southern newspaper described him as "just a multimillionaire who likes tracking his cat with a homemade radio transmitter", [6] Heatherington's career went beyond the modem company, including work in the area of game robots. [7] [8] Funding for his robotics can be traced to "had his name on all the important patents." [6]
A radio transmitter or just transmitter is an electronic device which produces radio waves with an antenna. Radio waves are electromagnetic waves with frequencies between about 30 Hz and 300 GHz. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the ...
Voyager 1 relays messages to NASA’s mission control team after losing contact due to a technical issue. The aging spacecraft is relying on an old radio transmitter.
Commercial FM broadcasting transmitter at radio station WDET-FM, Wayne State University, Detroit, US.It broadcasts at 101.9 MHz with a radiated power of 48 kW.. In electronics and telecommunications, a radio transmitter or just transmitter (often abbreviated as XMTR or TX in technical documents) is an electronic device which produces radio waves with an antenna with the purpose of signal ...
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