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I also developed 50, 75 and 125 ohm feeding.

There is significant emperical testimony to the efficacy of a low-to-the-ground, sloping delta loop.

The gain is always less than a yagi with equivalent numbers but other factors still make it the better choice in my opinion.

I hope that I have shown that feeding a half wave length antenna on its end without an extensive ground system or "counterpoise" is practical and it really works.

The prototype for 2 meters made its first contact of over 200 miles while lying upside down on a picnic table.

Is it easy to make a practical multi-band DIPOLE antenna? I don't expect anyone to take this information as gospel.

The correct method of attaching the coax is the live to the stub except for some super designs which are really dipoles next to the radiator.

The data from the aerostat radar are used by NORAD and US Customs and Border Protection Bandwidth The bandwidth of an antenna describes the range of frequencies within which the antenna can properly radiate or receive electromagnetic energy.

VHF and UHF Yagi and monopole antennas of an amateur radio operator VA3EGG The consideration of impedance matching in antennas, transmission lines, receivers, and transmitters is important for minimizing losses.

Vertical Antenna Calculator This is designed to give the vertical length height of a particular antenna, for the frequency and wavelength chosen.

A reader who does not know the antenna technology will probably ask: why 50, 75 or 300? Be sure your feedlines and antenna hardware can handle the power.