In message <[email protected]>, dated Mon, 24 Aug 2009, "Kunde, Brian" <[email protected]> writes:
>Can anyone confirm that a cell phone can generate 10V/m or more at any >reasonable distance? [lets say 1 meter]. I didn't think the transmitter >was that powerful. I don't think you can assume 1 metre; 10 cm might be practicable, but then the field is so 'near' that any field strength measurement is subject to high uncertainty. I don't think it's possible to be certain about the choice of emission limits or immunity levels without field(!) tests, because of the number of uncontrollable variables [1] and the problems of measurements under near-field conditions. [1] The cell phone field strength at my house is rather too weak for reliability. So, I could use the quasi-hemispherical aluminium lid of my wok as a reflector to concentrate the field! -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Things can always get better. But that's not the only option. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - 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 <[email protected]> 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 <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
