No, don't think of a second balun. Think of a Common Mode Choke. In fact think
of two of them; one after the 4:1 Balun at Feed Point ( 50 Ohm coax to approx
200 Ohm Impedance at feedpoint; and a second choke at the shack end of the coax
More on this at Windom Yahoo Group, or at ON4AA Serge website.
73
AG6CX
Sent from my iPhone
> On Feb 1, 2017, at 11:14 AM, Joe Cucuzza <cucuzza18@gmail.com> wrote:
>
> Please consider an off center fed dipole. 15 meters won't be as good as the
> other bands. There are several that work with coax and a balun. Think also
> about a second balun for common mode current.
> 73 Joe KA8WEP
>
>> On Jan 31, 2017 5:51 PM, "Dick NY1E" <dick@ny1e.com> wrote:
>>
>> I'm in a limited space location, I'm looking for a wire antenna to use on
>> 40-10 meters. The handbook says a 40m dipole fed with ladder line will be 2
>> half waves in phase on 20, and have 1.8 db gain. My coax fed 20m dipole is
>> 10db better than my coax fed 40m dipole on 20, will open wire feeders and a
>> tuner really improve it that much?de Dick NY1E
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