[NLRS] Old 2M antenna Question

[Dr. Gerald N. Johnson]

On 4/20/2015 9:10 PM, Mike King - KM0T wrote:
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> Hi all,
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> Thanks for all the great responses on my question.  I appreciate all you
> taking time to email me about a good course of action.
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> Consensus is.
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> Point the antenna up in the air to test and tune..
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> I will do this as soon as the winds die down around here. 30 to 40 MPH the
> last two days.
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> The antenna did come with a 4:1 Teflon coaxial balun.  It appeared to be in
> good condition and appears to be working.

But if the driven elements are simple dipoles, not folded dipoles, the 
4:1 impedance is wrong. Simple or LP dipoles need more like a 1:1 balun 
which is what the KLM yagis with 4 driven elements had. The manual 
should be clear on that, though I wasn't able to find one to download.

73, Jerry, K0CQ
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> Tuning can be accomplished by changing the spacing between the phasing
> straps.  If it does not work when pointing up at cold sky, I will give that
> a try.
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> No the antenna is not for sale :0  not yet anyway.
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> I will update you when I get back to working on it.
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> 73
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> Mike- KM0T
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> EN13vb
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