In message <8cd06c5a43f24be-12a8-...@webmail-m087.sysops.aol.com>, dated Tue, 10 Aug 2010, lfresea...@aol.com writes:
>just stressing Ken's use of the word unwarranted. I'm personally >vehemently opposed to MU in EMC measurements: the reason why is that >end to end even 10 dB is a trivial error... I entirely agree. I have defined the term 'measuring jelly (Jello) with a micrometer' to describe the application of MU to EMC. > >Just because the Stds committee says so does not make it warranted. All >MU contributes is an academic exercise and lines pockets of >individuals/organizations pushing it. Agreed. > >We as an EMC community need to push back and say enough already. Our >efforts are needed to address more important problems. But ISO, IEC and CISPR have accepted it and I doubt that it can be eradicated now. > >Just for the record, Automotive EMC does not require MU, US Military to >not require MU. If MU wasn't needed to put a man on the moon it sure as >heck isnt needed in washing machines, computers etc. You make a strong point. Now make it to ANSI and the IEEE and see whether the might of the USA standards bodies can convince ISO and IEC to re-think (or even to think, never mind the 're'!). -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK If at first you don't succeed, delegate. But I support unbloated email http://www.asciiribbon.org/ - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <emcp...@socal.rr.com> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>