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Archiver > DEED-MAPPER-USERS > 2009-10 > 1256395208


From: Jeff Owens <>
Subject: Re: [DMU] Google Earth - was Simple GPS Unit for Identifying Corners
Date: Sat, 24 Oct 2009 10:40:08 -0400
References: <718F67CA83FF42959147725B8CB42CCB@BettyLou> <200910221639.n9MGdmb4014298@mail.rootsweb.com> <00f501ca5343$1c95bd10$55c13730$@net><4ae30e67.e701be0a.5a10.2dc9@mx.google.com>
In-Reply-To: <4ae30e67.e701be0a.5a10.2dc9@mx.google.com>


http://freegeographytools.com/2007/positional-accuracy-in-google-maps-my-maps-vs-google-earth

http://en.wikipedia.org/wiki/Google_Earth#Imagery_and_coordination

a couple url's for explanations and examples

Jeff Owens



Bill Davis wrote:
> On a related note, how accurate are the Latitudes and Longitudes you
> get from Google Earth? I could pinpoint a cemetery from a
> satellite photo, and Google Earth would give me a Latitude and
> Longitude, but how accurate would it be? And how would it compare
> to what a GPS would give you?
>
> Bill Davis
>
>
>
> At 02:11 PM 10/22/2009, you wrote:
>
>> I have a GPS that I use with my laptop. The software is DeLorme Street
>> Atlas, the GPS receiver is Earthmate LT-40. Comes in wired and wireless
>> versions. The 2010 is just out.
>>
>> http://shop.delorme.com/OA_HTML/DELibeCCtpSctDspRte.jsp?section=10122
>>
>> You can carry the laptop around the cemetery with you, including "over the
>> fence, across the field, pass the old barn that burned down...." and it will
>> mark your route as you go. You can add "map notes" with polygons, circles,
>> etc., to mark the perimeters, individual graves, etc. I have a tablet
>> laptop, which means I can use my stylus to make marks, etc.
>>
>> Then, you can save the "route," print it, share it, etc.
>>
>> The only caveat is to pick, if you can, a sunny day. I'm sure walking is
>> easier than driving, but I found in the woods of Oregon that the car out-ran
>> the GPS by just enough that we missed some hidden turns.
>>
>> The newer GPS units are better at that.
>>
>> Pat
>> In Tucson
>>
>>
>>
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