[Elecraft] K3 & S9 43' Vertical
NZ0T
nz0tham at gmail.com
Tue Mar 22 11:41:40 EDT 2011
I have an S9 43' vertical. You will need the unun to match 60 meters and up.
The 80M coil works well too. I ended up building the matchbox that Phil
AD5X designed. You can see his article here:
http://www.ad5x.com/images/Articles/Match160.pdf
Phil also has a nice presentation on the 43' antenna here:
http://www.ad5x.com/images/Presentations/Vertical43.pdf
It's a great antenna if matched properly. It must be matched at the base
with a remote tuner, an unun, or coil to work properly. The unun (on 60M
and up) keeps the SWR down to manageable levels that you can match with a
tuner in the shack with acceptable coax losses. The SWR gets out of hand
below 60M and must be matched at the base.
73 Bill nz0t
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