[R-390] (no subject)

Mark Huss mhuss1 at bellatlantic.net
Fri Mar 23 16:10:51 EST 2007


For what it is worth, Navy Field Change EIB-664 shows that the pin that 
goes to J107 of the antenna relay module is grounded. As an aside, one 
can swap cables P205 and P206, so that P206 goes to J105. This places 
the static and lighning/static protector on the antenna input, and saves 
you an adaptor as the usual balanced adaptor needs a SO-239 to C, and a 
C to Twinax. Just use the whip input C connector as your unbalanced 
antenna input, and stick a grounded wire into the proper pin socket of 
the j104 jack

n4buq at knology.net wrote:
> Gang,
>
> Is there a right and a wrong way to feed the balanced input with unbalanced 
> coax?  I found two different versions and wonder if it makes any difference 
> which way it's done.
>
> http://www.qsl.net/k5bcq/r390/r390.html
>
> http://www.r390a.com/html/feedpoint.html
>
> Thanks,
>
> Barry - N4BUQ
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-- 
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