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antenna physics question
K1TTT wrote:
On Dec 15, 11:12Â*pm, wrote: K1TTT wrote: On Dec 15, 8:49Â*pm, wrote: Registered User wrote: On Wed, 15 Dec 2010 15:29:12 -0000, wrote: Registered User wrote: The IEEE Standard Definitions Terms for Antennas (IEEE Std 145-1993) provides no definition for 'antenna efficiency' per se. So what? snip babble The post concerning "a unique and unambigous definition" which "can be found in any textbook on electromagnetics" and subsequent back-pedaling appears to fit that model. Your "So what?" provides the meh. Yeah, the "back-pedaling" which consisted of changing "any textbook" to "many textbooks". And nowhere did I reference any standard, IEEE, ISO, or any other standards body. well, maybe you should have... after all, some of us do use things written by those bodies. Â*some of us help write and test those standards. Â*and it sure would be nice if we could refer to a standard way of describing antenna performance. If this is so important to you, I am sure you will be researching all the electromagnetics textbooks, antenna texbooks, industry and trade publications, the ARRL, the RSGB, manufacturers, and everyone else with any interest in antennas to determine the "correct" usage and definition of the terms in question, and submitting a draft proposal to the IEEE. -- Jim Pennino Remove .spam.sux to reply. nope, i don't care that much, but you sure seem to be insisting there is a correct usage when obviously it hasn't ever been really agreed upon by the right people. so you are the one who should be trying to get all the worlds authors to agree to define it the same way and get it into all the text books where its been missing all these years. So if the IEEE doesn't mention it in some standard everyone else is wrong? Since there are electromagnetics textbooks, antenna texbooks, ARRL books and web sites that all say the same thing, it appears there is some agreement out there in the real world. As for what's missing in some selection of books, I'm quite sure that if you do a comparison of every book on a given subject there will be differences in the topics covered. -- Jim Pennino Remove .spam.sux to reply. |
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