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#21
May 15th 06, 10:17 PM
posted to rec.radio.amateur.antenna
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FIGHT! FIGHT! FIGHT!
Dave wrote:
"Cecil Moore" wrote in message . com... Tom Donaly wrote: I didn't say that the value of the standing wave current on a 1/2 wavelength dipole doesn't vary with length. I did say that just measuring the value at some point doesn't give you all the information you need to calculate the phase. The subject is a 1/2WL thin-wire dipole with a feedpoint current of 1 amp at 0 degrees as illustrated by Kraus on page 464 of "Antennas for All Applications", 3rd Edition. That's about the sixth time I have stated those boundary conditions. The information isn't contained in just one measurement. For a 1/2WL thin-wire dipole with a feedpoint current of 1 amp at 0 degrees, as illustrated by Kraus, all the phase information one needs to know is indeed "contained in just one measurement". I haven't read Kraus, but I expect he was talking about an idealized, infinitely thin antenna. I have been very careful about specifying Kraus' 1/2WL thin-wire dipole as the subject of this discussion. It is easiest to understand because it has the least number of variables. What is the agenda in trying to divert the subject away from something easy to understand to something that is difficult to understand? -- 73, Cecil http://www.qsl.net/w5dxp The AGENDA is to get you guys fighting! boy, sure didn't take much, even in a thread that was obviously a troll with no technical question to start it of! you guys are just fighting over your own statements since there was no initial technical question or statement that started this thread... i love it, kept me amused through a whole rainy weekend and now on a rainy monday... supposed to rain more this week, think you guys can keep going a bit longer?? You're welcome, Dave. Glad to oblige. 73, Tom Donaly, KA6RUH |
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