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Old December 6th 06, 06:21 PM posted to rec.radio.amateur.antenna
Owen Duffy Owen Duffy is offline
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First recorded activity by RadioBanter: Jul 2006
Posts: 168
Default Stub Matching software ?

On 6 Dec 2006 03:15:54 -0800, "4nec2" wrote:

Somehow, and using Nec2, I seem not always able to get expected
impedance values when using the results produced by L.B. Cebik's stub
matching software at http://www.cebik.com/trans/ant-match.html


Just working the example of Bramhams solution in LB's spreadsheet with
http://www.vk1od.net/tl/tllc.php :


Line 2:
Belden 8262,
length=0.848*0.66=0.560m,
Zload=50+j0,
Zin=58.34+j20.44

Line 1:
Belden 9204,
length=0.848*0.66=0.560m,
Zload=58.34+j20.44,
Zin=75.22-j1.33

Seems close enough!

Which match type did you have problems with?

Owen
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