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On Fri, 08 Dec 2006 12:10:36 -0800, Richard Clark
wrote: On Fri, 08 Dec 2006 19:27:30 GMT, Owen Duffy wrote: Z of 2.11171146485231-j6.26228362468365 or VSWR of 22:1. What went wrong? 14 Place resolution in a field that struggles to be 20% accurate? C'mon, Owen, saying 2 - j6 Ohms would be more readable and hardly invalidate any premise being offered. Richard, at 5am I was just being lazy with quick cut and pastes. Its all right for you, you have had breakfast and are all fired up! The important thing is that if you plug the numbers from Cebik's spreadsheet into NEC (properly terminating the o/c stub), they should be very close to a perfect match... but even a theoretical model considering line loss will produce a very different answer. Even more prospect of departure when practical tolerances are considered as you note. Owen -- |
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