Pierre Vachon wrote:

Hi there, I am trying to build a longwire antenna for use in the 20 meter
band to 70 meter band area. I was looking for advice on what materials to
use for the antenna and the lead in lines. I will hook it up to a Drake r8B
radio. What is the minimum height it has to be? Where to ground it?.
Actually, does it have to be grounded if the radio is grounded at the
outlet?

I am a little limited in space as my yard is only 75 feet long and there are
power lines at the front. I assume that they are the source of an irritating
hum on the receiver on certain frequencies.

Thanks for the help in advance.

Pierre

A real longwire antenna is much longer than what you are thinking of
building. The antenna you describe is called a 'random wire' or
inverted-L. This kind of antenna is not tuned for a specific band or
range of frequencies. In fact, it performs well throughout the shortwave
spectrum. See the following website for instructions on building a good
low noise inverted-L antenna. I use this kind with my R8B.

http://www.anarc.org/naswa/badx/ante...e_antenna.html


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