> EMC = early mind-capacity loss syndrome for compliance engineers.
EMC = Explain Magic to Commoners Pat On Mar 18, 2012, at 5:26 PM, "Brian Oconnell" <[email protected]> wrote: > Cannot be done with any reasonable efficacy for commercial aviation. No > combo of aircraft type, instrument model/version, wiring harness version, > etc is duplicated after about 6 operational months after aircraft has left > factory. > > As private pilot driving small SELs, I have had two instances of > interference: an old cell phone and a laptop computer. The phone antenna was > not seated causing VOR receiver weirdness, and the computer's USB cable was > broken causing the panel-mounted GPS to give bad numbers. > > And emissions limits have no meaning for any particular end use - had a > customer complain about AM radio reception where the tested design has 15dB > margin. Re-test indicated 11dB margin after 30 months in field *WITH* > incorrect wiring, and that signal reception at the 'donut shop' was outside > of the station's intended audience. > > EMC = early mind-capacity loss syndrome for compliance engineers. > > Brian > > -----Original Message----- > From: [email protected] [mailto:[email protected]]On Behalf Of Pat > Lawler > Sent: Sunday, March 18, 2012 4:54 PM > To: [email protected] > Subject: New immunity testing by the FAA in the future? > > Almost sounds like a whole new industry -- the business of testing > aircraft for immunity to personal electronic devices: > http://bits.blogs.nytimes.com/2012/03/18/disruptions-time-to-review-f-a-a- > policy-on-gadgets/ > > Pat Lawler > > > - ---------------------------------------------------------------- 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.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. 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]>
