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Article #102Re: Map Projections
From: welldone
Date: Sat, 31 Aug 2002 01:43
Date: Sat, 31 Aug 2002 01:43
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1828 bytes
WEBGIS on TravelGIS.com (http://www.TravelGIS.com/webgis/) displays the geomagnetic declination, inclination and intensity of all locations in the world. "Harold A. Climer" <hclimer@cecasun.utc.edu> wrote in message news:fk60lug0usa6k40tcdbq4cv16ubroadgog@4ax.com... > Does anyone know what type of map projection preserves directions on a > flat surface? ie I want to be able to find magnetic declination from > different points in the US and other areas of the world, by measuring > the angle between "True North" at the location and the direction to > the location of Magnetic North in N. Central Canada. > > Harold A. Climer > Physics/Astronomy Lab Instructor > U. Tennessee At Chattanooga
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10870e,17f1912533bcd989,start X-Google-Attributes: gid10870e,public X-Google-ArrivalTime: 2002-08-30 18:43:28 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!news-out.visi.com!hermes.visi.com!newsfeeds-atl2!news.webusenet.com!news03.bloor.is.net.cable.rogers.com!news02.bloor.is.net.cable.rogers.com.POSTED!not-for-mail From: "welldone" <james_shen@rogers.com> Newsgroups: bit.listserv.geograph References: <fk60lug0usa6k40tcdbq4cv16ubroadgog@4ax.com> Subject: Re: Map Projections Lines: 17 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Message-ID: <3bVb9.43073$GK2.25090@news02.bloor.is.net.cable.rogers.com> Date: Sat, 31 Aug 2002 01:43:27 GMT NNTP-Posting-Host: 24.156.10.90 X-Complaints-To: abuse@rogers.com X-Trace: news02.bloor.is.net.cable.rogers.com 1030758207 24.156.10.90 (Fri, 30 Aug 2002 21:43:27 EDT) NNTP-Posting-Date: Fri, 30 Aug 2002 21:43:27 EDT