Antennas installed at 18 U.S. high schools detected bursts of radio activity that can precede solar disturbances capable of disrupting satellites and power grids on Earth. The observations helped ...

Discover an amazing idea for repurposing an old satellite antenna! Instead of discarding it, learn innovative ways to ...

To work efficiently, they said, an antenna had to be physically at least one-quarter as long as the wave length of its design frequency. In the frequency range used by television, ...

Random Wire Antenna Lengths. A so-called random wire antenna is an end fed antenna. ... For instance, to work 40m be sure the antenna is at least 10m or 33' long. Use only the white gaps for your ...

Northwood Space has completed initial testing of the second generation of its phased array antenna technology, which can ...