I use Google Earth all the time and although it will give you a rough/close elevation, I don't think it is close enough for William's needs.
Roger Dixon Certified Wind Site Assessor Skylands Renewable Energy, LLC 908.337.2057 cell 908.730.6474 fax roger.di...@att.net -----Original Message----- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dave Click Sent: Thursday, January 29, 2009 7:31 AM To: RE-wrenches Subject: Re: [RE-wrenches] GPS units William, Though I wouldn't call it foolproof, and I'm not sure how accurate it would be for your application, Google Earth has topographic data in it-- just hover your mouse over a point to get its elevation. Not exactly a substitute for a laser level, but it may be helpful. Dave -------- Original Message -------- Subject: Re: [RE-wrenches] GPS units From: Starlight Solar, Yuma, AZ <la...@starlightsolar.com> To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Date: 2009/01/28 18:13 > Hi William, > > In past life as an advanced flight instructor in powered parachutes and > I used to carry the Garmin GPS-90. It has an analog altimeter and > electronic compass. It also keeps a graphical log of elevations. You can > turn off the GPS input for these functions and just use the analog. > Great if the GPS satellite system goes down and you don't want to land > in a plowed field because you are lost! > > I doubt the resolution is good enough for what you need but it may be > worth a look. > > Kindest Regards, > > Larry Crutcher > Starlight Solar > (928) 941-1660 > Renewable Energy Products, Service and Installation > > Mailing Address (NO SHIPPING): > Box 11114 > 11279 S. Glenwood Ave > Yuma, AZ 85367 > > Shipping and retail store (NO MAIL): > 2998 Shari Ave > Yuma, AZ 85365 > > On Jan 27, 2009, at 2:34 PM, William Miller wrote: > >> Does anyone have a foolproof tool to measure elevation? I have >> researched GPS units recently. They are notoriously inaccurate for >> elevation: >> >> http://wiki.motionbased.com/mb/GPS_Unit_Elevation >> >> Here are few more links with GPS fundamentals: >> >> http://www.adventurenetwork.com/cgi-bin/adventurenetwork/GPS_101.html >> http://www.gpsreview.net/electronic-compass/ >> >> I have a Suunto Observer watch with an altimeter. I think I can get >> relatively accurate measurements of DIFFERENCE in elevation if I >> measure the two elevations in quick succession. I will be trying it. >> >> >> >> William > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
