[Mldxcc] Question about 40M inverted V dipoles

Emily Clarke n1did at comcast.net
Thu Aug 14 14:02:19 EDT 2014


So at W1RH Bob's suggestion I decided to get my butt in gear and built a 
40M dipole.  It's an inverted V so it fits on my lot with a center mast 
currently 27 feet up at the center - 10 feet up at the ends.  It has a 
1:1 balun that I had for a while from LG.

I tuned it to 7.1 MHz the logic being:

7.1 = 14.2 (x2) = 21.3(x3) = 28.4(x4)

So I used my antenna analyzer and trimmed it up to 1.1 to 1 at 7.1 and 
it dips to 1.2 at 21.6 (odd).  The antenna analyzer doesn't show any dip 
at 14.xxx or 28.xxx.  This I don't understand.

However I get a perfect 1:1 match on the rig with it's tuner all across 
all of those bands which I guess is somewhat expected.  It also tunes 
flat at 17m and 12m.

Does this sound right/safe?

Emily






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