This is the second in a series of articles about FM transmission systems. The first appeared Oct. 9. How many bays do I need in my antenna and how much transmitter power do I need? These questions ...

Delta RF Technology C 1122 SWR C 1126 Superior Broadcast C 1312 Dielectric C 1907 Larcan C 1916 Propagation Systems Inc C 1920 Kathrein, Scala Division C 2213 OMB America C 3324 Electrosys C 3331 ...

Let’s start off with proof. Below is an animation of a measurement of airplanes and meteors I made using a radar system that I built with a few simple easily available pieces of hardware: two $8 RTL ...

On July 1, 2003 WTVJ commissioned its state of the art digital broadcast transmitter manufactured by Thomson Inc. (formally Thales Broadcasting). This transmitter is made up of 4 inductive output ...

For the first time, researchers have used a laser as a radio transmitter and receiver, paving the way for towards ultra-high-speed Wi-Fi and new types of hybrid electronic-photonic devices. You've ...

Whether slalom or alpine skiing, competitive skiing is all about thousandths of a second. Hence, professional athletes must constantly refine their technique. Small radio transmitters will make it ...

Bench-top model: the optical setup of the Grenoble analogue photonic correlator, which can be used to locate a radio transmitter. (Courtesy: Hugues Guillet de Chatellus/Université Grenoble Alpes-CNRS) ...

U.S. Air Force Staff Sgt. Corey Johnson, Tactical Air Control Party member, communicates with French air force aviators during a tactical exercise Feb. 24, 2016, in Djibouti. Although aviators across ...