Gert, I found your link broken, but here is one that works: http://www.boeing.com/commercial/aeromagazine/aero_10/interfere.html You can go to an HTML or Text only page, or you can download a pdf. If anyone wants the pdf, just drop me a note and I will email it to you.
-- Doug Nix, A.Sc.T. IEEE PSES Toronto Chapter Toronto Section, Ontario, Canada [email protected] mobile (519) 729-5704 fax (519) 653-1318 On 24-Sep-09, at 2:20 PM, ce-test, qualified testing bv - Gert Gremmen wrote: > I would recommend all that are interested in this to read the Boeing > article. > http://www.boeing.com/commercial/aeromagazine/aero_10/interfere_textonly > .html > > Conclusion: no interference from PED has ever been proven. > (but for a guy in 1964 operating a FM transmitter air-borne) > > Gert Gremmen > > -----Oorspronkelijk bericht----- > Van: [email protected] [mailto:[email protected]] Namens Ted Eckert > Verzonden: donderdag 24 september 2009 17:27 > Aan: [email protected] > Onderwerp: RE: Article on "portable electronics" aboard airplanes > > I don't know of the K:M test. This is the research of which I am > aware. > http://www.cmu.edu/PR/releases06/060228_cellphone.html > http://www.boeing.com/commercial/aeromagazine/aero_10/interfere_textonly > .html > http://www.spectrum.ieee.org/aerospace/aviation/unsafe-at-any-airspeed > http://www.caa.co.uk/docs/33/CAPAP2003_03.PDF > > There is clearly an increased risk, but there is little conclusive > data > on the magnitude of that risk. The Boeing document summarizes it > succinctly. "The potential is great that PEDs [personal electronic > devices] will continue to be blamed for some anomalies regardless of > whether they are the true cause. As a result, regulatory agencies and > operators continue to offer the current policy for PED use on > airplanes > as the best safety measure." > > Ted Eckert > Compliance Engineer > Microsoft Corporation > [email protected] > > The opinions expressed are my own and do not necessarily reflect those > of my employer. > > > > -----Original Message----- > From: Gartman, Richard [mailto:[email protected]] > Sent: Thursday, September 24, 2009 7:33 AM > To: [email protected] > Subject: Re: Article on "portable electronics" aboard airplanes > > The best reason I have heard from a flight attendant (this happened > only > once) for putting the computer away was " do you want a 5 pound > projectile flying around the cabin if there is an incident". You > cannot > argue with that logic. > > Does any on have the report of the KLM/FCC cell phone test that was > done > in Phoenix several years back. As I hear the story, a KLM "Boeing" > aircraft was filled with cell phones (one in each seat) and they all > went active at the same time. The intent was to see if a plane loaded > with cell phones could cause interruption to the aircrafts > electronics. > > I am sure this group would enjoy that report. > > Have a great day > W. Richard Gartman, MS, CSP > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of Ken > Javor > Sent: Thursday, September 24, 2009 9:18 AM > To: [email protected] > Subject: Re: Article on "portable electronics" aboard airplanes > > While having stuff put away during take-off and landing makes sense, > just as > you say, protection of aircraft radio and navigation receivers is the > primary driver. Paralleling control of rfi on the ground, the first > such > rfi control only applied to radios, because of local oscillators, and > then > later applied to digital electronics, because the clocks and their > harmonics > could radiate just like the radio's LO could. > > Ken Javor > > Phone: (256) 650-5261 > > >> From: Nick Williams <[email protected]> >> Date: Thu, 24 Sep 2009 15:02:55 +0100 >> To: Ken Wyatt <[email protected]> >> Cc: <[email protected]> >> Subject: Re: Article on "portable electronics" aboard airplanes >> >> I've always understood that, certainly so far as commercial airliners >> are concerned, EMC was never really the issue. Far more to the point >> is the fact that take off and landing are statistically the most >> likely time for there to be an emergency which requires the >> passengers to be paying attention to what the cabin attendants have >> to say rather than listening to or fiddling with their personal >> possessions. >> >> It also can't do any harm for the cabin not to be cluttered up with >> laptops and other junk for people to trip over if you need to get >> everyone off in a hurry. >> >> Nick. >> >> >> >> At 22:26 -0600 23/9/09, Ken Wyatt wrote: >>> I thought I'd post this link to a semi-rant by one of the Gizmodo >>> editors on the use of electronics aboard aircraft. He brings up some >>> good points regarding the EMI properties of various gadgets. It's >>> also interesting how he and other non-EMCers think on the whole >>> subject. >>> >>> Has anyone on this list studied the emissions characteristics ("on" >>> versus sleep mode) for various portable electronic products? >>> >>> I'd love to not be hassled when using my Bose headphones. >>> >>> > http://gizmodo.com/5366128/giz-explains-how-to-fix-the-airlines-stupid-p > ortab >>> le-gadget-rules >>> >>> Regards, Ken >>> ---------------------------------------------- >>> Wyatt Technical Services, LLC >>> 56 Aspen Dr. >>> Woodland Park, CO 80863 >>> >> >> - >> ---------------------------------------------------------------- >> 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]> > > - > ---------------------------------------------------------------- > 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]> > > - > ---------------------------------------------------------------- > 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]> > > - > ---------------------------------------------------------------- > 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]> > > - > ---------------------------------------------------------------- > 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]> - 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]>
