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Subject:
From:
Ian Westerland <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Sat, 4 May 2013 08:42:33 +1000
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Well, it seems to be.  I would have used 450 Ohm line but had bought 
50 meters of the other already.  The next doublet I make will use the 
450 Ohm line.

At 12:21 AM 4/05/2013, you wrote:
>450 ohm line is mechanically stronger, and will handle high power.  On 40,
>you are tuning half wave elements, which will have an extremely high
>impedance.  I have the same problem with my 3/4 wave length elements.
>Hopefully your external tuner can handle the problem.

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