Small, cheap, efficient vertical antenna for 40m


Erecting a full-sized 40 meter vertical antenna can present a challenge if you live on a small urban lot or are subject to HOA or other deed restrictions.

In this well-paced, informative video from Colin (MM0OPX), we see how "linear loading" on a short mast can deliver almost the same performance as a full-sized 1/4 wave vertical antenna.

Like all 1/4 wave verticals, be sure you have a decent ground radial system to complement the vertical element of your antenna.

If you can't see the video, please insert this title URL into your browser search box:

Thanks for joining us today.

Aloha es 73 de Russ (KH6JRM).

Here are a few comments from Colin (MM0OPX):

Demonstration of a linear loaded 1/4 wave vertical amtenna that shows (at least) in modeling that it is as efficient as a full size 1/4 wave. What do you think? Let me know in the comments below.

MM0OPX Field Radio


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