I don't know what machines are best / worst but would not count on any of them to be perfect. To compensate for the lack of perfection, I always use snap-together style ferrite chokes on all cables coming into and out of the laptop. Fair-Rite makes a few, and Radio Shack carries one, or a similar product from someone else. We used them in the telecommunications laboratories I have worked in, and they really cutthe noise down. MW / SW DX�ng is another matter and they may not totally solve the problem, but they should be worth a try. I use them at our Grayland DXpeditions and either because of the coax feeds and / or the chokes, I have had no problem with either my 600 MHz or (sometimes) 300 MHz laptops. Others have had a laptop RFI problem at Grayland but I was not there at the time and don't know what the cause and solution were.
Chuck Hutton Seattle WA -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Nick Hall-Patch Sent: Sunday, January 05, 2003 10:59 PM To: Hard-Core-DX Email List Subject: Re: [HCDX] Emerging Techniques in High-Tech DX At 12:20 AM 1/5/03 EST, you wrote: >Can you comment on which laptops are the best/worst for generating RFI? > In addition to John's comment about not RFI problems with laptops...remember that at Grayland we use electrically sanitary coax lead-ins for our antennas with separate antenna ground from receiver ground. A loop antenna next to most laptops will show RFI! best wishes, Nick **************************************************************************** Nick Hall-Patch Victoria, B.C. Canada e-mail: [EMAIL PROTECTED] (mail forwarded via [EMAIL PROTECTED]) **************************************************************************** ---[Start Commercial]--------------------- World Radio TV Handbook 2003 will be out soon. Order it now! http://www.amazon.com/exec/obidos/ASIN/095358643X/hardcoredxcom ---[End Commercial]----------------------- ________________________________________ Hard-Core-DX mailing list [EMAIL PROTECTED] http://www2.hard-core-dx.com/mailman/listinfo/hard-core-dx http://www.hard-core-dx.com/ _______________________________________________ THE INFORMATION IN THIS ARTICLE IS FREE. It may be copied, distributed and/or modified under the conditions set down in the Design Science License published by Michael Stutz at http://dsl.org/copyleft/dsl.txt ---[Start Commercial]--------------------- World Radio TV Handbook 2003 will be out soon. Order it now! http://www.amazon.com/exec/obidos/ASIN/095358643X/hardcoredxcom ---[End Commercial]----------------------- ________________________________________ Hard-Core-DX mailing list [EMAIL PROTECTED] http://www2.hard-core-dx.com/mailman/listinfo/hard-core-dx http://www.hard-core-dx.com/ _______________________________________________ THE INFORMATION IN THIS ARTICLE IS FREE. It may be copied, distributed and/or modified under the conditions set down in the Design Science License published by Michael Stutz at http://dsl.org/copyleft/dsl.txt
