Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have, for the first time, used a semiconductor laser to send and receive radio signals. The hybrid ...
AM radios are relatively simple devices, and building one is a good way to start exploring the world of radio communications. [GreatScott] does exactly this in the video after the break, building both ...
Testing FM receivers is not that much different than testing other pieces of audio equipment. Appropriate tests include the big six: level, frequency response, THD+N, phase, interchannel crosstalk, ...
PENSACOLA, FLA. — It took over 10 years but HD Radio is now on CatCountry 98.7 in Pensacola, Fla., at full power. Some history. In 2003 WYCT (CatCountry 98.7) acquired an Armstrong tube-based test rig ...
Article 810 provides installation requirements for transmitter and receiver equipment as well as the associated wiring and cabling (Fig. 1). Article 810 applies to: VHF/UHF antennas, which receive ...
WARNING: Most unlicensed radio broadcasts are illegal in the U.S. The following is for informational purposes only. With just a basic tool kit, some copper wire, a piece of coke, a car battery, a ...
We think of radio navigation and direction finding as something fairly modern. However, it might surprise you that direction finding is nearly as old as radio itself. In 1888, Heinrich Hertz noted ...
A photo from inside the KDKA radio facility in 1920. Pittsburgh is the site of the first commercial radio broadcast, which marks its centennial anniversary on Nov. 2. To commemorate the event, the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback