He tested against a meter long antenna and found that his setup far outperforms it. Actually, he found that a six foot extension cord which is not plugged into the wall will also outperform the 1m ...

It won’t come as a surprise to find that making an antenna work at 2 meters and 70 centimeters probably isn’t that easy. In addition, it is hard to imagine the little stubby antenna the size ...

The beam width (in radians) is roughly the wavelength of the radio wave divided by the diameter of the antenna. For example, a 100 meter antenna observing at a wavelength of 21 centimeters (a ...

The best indoor TV antennas let you receive free over-the-air broadcast TV channels without having to install a large outdoor antenna on the roof of your home. You’ll find that the main ...

parabolic reflector before it was bolted to a 65-foot-high (20-meter-high) alidade, a platform above the antenna's pedestal that will steer the reflector during operations. This time-lapse video ...

The Space Science Center at Morehead State University has developed a full motion 21-Meter class antenna system that is engaged in a rigorous research program in radio astronomy and also serves as an ...