On 1/8/2013 6:58 PM, Ron Kenwood wrote:
Fred:
Should have done that first, but I got tunnel vision on the RFI
solution. I have an AIM4170B which should do the job. I will let you
know how it goes.
OK, don't jump to conclusions though. If the impedance you measure on
the coax side of the balun is really high, it is 4 times that on the
"balanced" side, which at that point may not be all that "balanced."
If the impedance you find is very high, look carefully at your balun.
If it's been arcing from over-voltage, you might find it. One way to
fix this is to change the length of your feedline, but of course, that
screws up all the other bands. Maybe your 120' dipole just won't work
on 12m for you.
Looking forward to your results, antennas are one of the last bastions
of ham DIY.
73,
Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org
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