80 Meter NVIS Antenna.

In this video, Tim Carter (W3ATB), shows us how to build and install a simple 80-meter NVIS antenna (Near Vertical Incidence Skywave).

Tim takes you step by step through the entire process--no fluff, fancy drawings, or flowery commentary.  Just the basic setup and operational facts.

If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=3TF6WFoPsFw

Here are some comments from Tim (W3ATB):

"NVIS stands for Near Vertical Incidence Skywave. It's a skywave radio-wave propagation path that provides usable signals in the medium distances range. NVIS is typically used for communication ranges of from 50 to 600 miles. When topographical features, such as mountainous terrain, are involved, the typical ground wave distance of 50 miles can be reduced to very short distances.

A horizontally polarized antenna provides the best NVIS propagation. A wire half-wave dipole trimmed for the frequency of use is very effective and also the most common type of antenna used for NVIS. The optimum NVIS antenna height for 80 through 40 meters is about 30-feet.

Thanks for joining us today.

Aloha es 73 de Russ (KH6JRM).



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