If you didn’t, you needed an antenna rotator. These days, rotators are more often found on communication antennas like ham radio beams. For terrestrial use, the antenna only needs to swing ...

Other polarization rotators are commonly available. Polarization rotators function in a variety of ways. An antenna is used in the optical rotation process. Optical rotators are un-mounted as free ...

His recent video shows how to put up a workable basic HF antenna in a small backyard. The center of the system is a 49:1 unun. An unun is like a balun, but while a balun goes from balanced line to ...

The Tucson skyline is dominated by mountains in every direction, with the Santa Catalina Mountains to the north, the Rincon Mountains to the east, and the Tucson Mountains to the west. The ...

The smallest country in Central America geographically, El Salvador has the fourth largest economy in the region. With the global recession, real GDP contracted in 2009 and economic growth has ...

What Is a Rotator Cuff Tear? A rotator cuff tear is a rip in the group of four muscles and tendons that stabilize your shoulder joint and let you lift and rotate your arms (your rotator cuff).

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Substitute Pablo Formals scored a breakaway goal in stoppage time as West Ham United secured a 1-0 win at AZ Alkmaar on Thursday and a place in the Europa Conference League final after a 3-1 ...

Substitute Pablo Formals scored a breakaway goal in stoppage time as West Ham United secured a 1-0 win at AZ Alkmaar on Thursday and a place in the Europa Conference League final after a 3-1 ...

Investing.com -- HSBC on Wednesday trimmed its rating on Estee Lauder (NYSE:EL) stock to Hold from Buy and adjusted the price target to $100 from $130, citing concerns about the company’s ...