Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Tue, 23 Mar 2004 03:12:54 -0500 Message-ID: X-Original-Return-Path: Received: from aerosurf.net ([65.77.168.18] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3114234 for lml@lancaironline.net; Mon, 22 Mar 2004 23:53:10 -0500 Received: from ieee.org [208.252.252.82] by aerosurf.net with ESMTP (SMTPD32-8.05) id A27E51FB00E2; Mon, 22 Mar 2004 18:52:14 -1000 X-Original-Message-ID: <405FC271.6060804@ieee.org> X-Original-Date: Mon, 22 Mar 2004 20:52:01 -0800 From: "Charles R. Patton" Reply-To: charles.r.patton@ieee.org User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5) Gecko/20031007 X-Accept-Language: en-us, en MIME-Version: 1.0 X-Original-To: Lancair Mailing List Subject: Re: [LML] Re: What tablet / PC device do you use for [approch plates] References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit In addition to the problem of flying heads on hard disks at high altitude, there may also be a thermal problem with cooling some part of the tablet PC as cooling takes a hit with high altitude. Another more unlikely problem could be arc-over during the backlight start. If the tablet uses cold cathode -- as opposed to LED -- back-lighting, some fairly high voltages are necessary to strike the tubes and this might also be a consideration. Charles Patton John Schroeder wrote: > Sporty's tablet PC has a limitation that may not work for a lot of us. > It has an operating altitude limitation of 10,000 ft. I suspect that > it is associated with the hard drives and their head clearances, and > also with turbulence. Any solid state storage devices with 3 to 5 gigs > of space out there?