Because your antenna impedance is not 600 ohms but is more lilkely 25 to
75 ohms depending on height above ground. Only the feedline is 600 ohms
and that is really not an important issue.
73
Bob, K4TAX
> Why a 1:1 when I am using open line with a 600 ohm impedance?
>
> Sent from my iPhone
>
> On Jul 11, 2013, at 4:44 PM, "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>
> wrote:
>
>> Because it is 4:1.
>> You are better off with a 1:1 balun.
>>
>> For a better understanding of this, see Steve's page on Tuner Balun:
>> 4:1or
>> 1:1?
>> Here: http://www.karinya.net/g3txq/tuner_balun/
>>
>> 73
>> Rick, DJ0IP
>>
>> -----Original Message-----
>>
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