[TowerTalk] Turn 80m dipole inv v into something for 30m
Jim Brown
jim at audiosystemsgroup.com
Sat Oct 28 13:26:44 EDT 2017
On 10/28/2017 9:13 AM, W0MU Mike Fatchett wrote:
> It is close to 3/4 wavelengths on each side which might be ok but the
> match is going to be bad.
My high 80M dipole is fed with 160 ft or so of a good RG11, but even
with that great coax, there's far too much loss in the coax for the
antenna to play well.
> It might just be easier to toss up an 1/2 wave V and not worry about
> the 80m.
Since I have the trees, I had the climbers rig 30M dipoles when they
were in trees for another reason.
> Suggestions or comments welcome!
How low are the ends? If I recall correctly from when I modeled the 80
dipole on 30, it was a bit short, so switching in some inductive loading
near the low ends of the V might do the trick.
73, Jim K9YC
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