What type of "coax balun"?
On Mon, Sep 9, 2013 at 4:29 PM, AA4GA <aa4ga at contesting.com> wrote:
> It depends on the velocity factor of the coax I'd imagine.
>
> I think the VF depends greatly on the dielectric. Foam <> solid.
>
> 73 de Lee
> --
> Lee Hiers, AA4GA
> www.aa4ga.com
>
> Submit your QRP DXCC totals to www.qrpdx.com!
>
>
>
> On Mon, Sep 9, 2013 at 4:24 PM, Courtney Judd <k4wi at earthlink.net> wrote:
>
>> ok antenna gurus what did i do wrong? originally the swr on this 4 el
>> Hygain 6 mtr beam was a perfect 1:1 at 50.1 . But I wanted to run high
>> power thru it so the manual calls to change the coax balun from rg58 to
>> rg213 which i did except I think that the coax was RG8. It was cut to the
>> same length as the 58 as per the manual. Now the swr at 50.1 is 2:1 and the
>> resonant point for 1:1 is clear up at 52.0 . I don't want to change the
>> element lengths as they should be right on. Only thing else is move the
>> beta match in or out some.... or match it some other way. Would the 213/rg8
>> make that kind of difference? Maybe I should change the length of that
>> coax! Ideas? help!!!! lol, Cort K4WI
>>
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>
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