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#1
July 9th 06, 11:25 PM
posted to rec.radio.amateur.antenna
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Computer alternative to Smith Chart?
I haven't used a Smith Chart in over 30 years, and to say the least, I'm a
bit rusty. I'm thinking there must be computer programs that can do the calculations with values you just plugs in. Any recommendations? I'm specifically interested in finding the impedances of antenna whips much shorter than 1/4 wave. -- Bob D. ND9B |
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#2
July 10th 06, 12:29 AM
posted to rec.radio.amateur.antenna
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Computer alternative to Smith Chart?
You can have it both ways.....
http://www.educatorscorner.com/index...ONTENT_ID=2482 http://en.wikipedia.org/wiki/Smith_chart John W8CCW On Sun, 9 Jul 2006 17:25:02 -0500, "Bob D." wrote: I haven't used a Smith Chart in over 30 years, and to say the least, I'm a bit rusty. I'm thinking there must be computer programs that can do the calculations with values you just plugs in. Any recommendations? I'm specifically interested in finding the impedances of antenna whips much shorter than 1/4 wave. John Ferrell W8CCW |
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#3
July 10th 06, 03:21 AM
posted to rec.radio.amateur.antenna
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Computer alternative to Smith Chart?
Bob D. wrote:
I haven't used a Smith Chart in over 30 years, and to say the least, I'm a bit rusty. I'm thinking there must be computer programs that can do the calculations with values you just plugs in. Any recommendations? I'm specifically interested in finding the impedances of antenna whips much shorter than 1/4 wave. The free demo version of EZNEC will probably do that. Available at: http://www.eznec.com -- 73, Cecil http://www.qsl.net/w5dxp |
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