Oct 12, 2009 . Is there any way to determine which transformation was used when a feature class was projected from WGS84 to NAD83? .

Sep 15, 2006 . However, since NAD83 and WGS84 are so close to each other, you don't need . WGS84 was based on the same Doppler reference .

May 4, 2005 . The equatorial diameters of WGS84 and NAD83 are the same as each other, . As I have said in the past, WGS84 and NAD83 are from different .

NAD83/WGS84, Clarke 1866 (NAD27), GRS 80, WGS 72, Australian 1965, Krasovsky .

2 posts - 2 authors - Last post: Nov 3, 2010Hi there, I want to reproject a few raster datasets from GCS_WGS_1984 to NAD_1983. The data is for the province of British Columbia in .

4 posts - 3 authors - Last post: Feb 15, 2006it was NAD83, whereas my GPS (non-WAAS) had been set to WGS84. So just for the heck of it I set the GPS to NAD83. .

1 post - 1 author - Last post: Mar 20, 2006Here is a work around to import WGS84/NAD83 geo-referenced images* (e.g. GeoTiffs) as overlays with _reasonable_ placement accuracy. .

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7 posts - 4 authors - Last post: Oct 11, 2008The WGS84 to Nad83 checkbox is only used if you are a Topcon Rover with internet corrections from a Topcon Ref network Base --- when you .

There are three datums that are common to locations within the continental USA: NAD27 (old -- defined in 1927), NAD83 (very common, 1983) and WGS84 (also .

WGS84 - ITRF00 - NAD83 - NAD27. Submitted by PhilStevenson on Sat, 2004-08-14 22 :06. OGC: General Comments. It seems very difficult to find products that .

WGS84 vs NAD83 WGS84 and NAD83 are datums that define the shape and size of the Earth. Datums are used to match the location of features and locations on a.

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Take the NAD83 Leap of Faith - Recreational\Consumer Grade unit users, to .

In brief, there are two methods of getting WGS84 GPS data into NAD83 or NAD27 coordinate . (define the data as NAD83, even though its really WGS84) .

Feb 20, 2009 . Landon, > -----Original Message----- > A quick Google search of the term "NAD83 WGS84" turned up this > interesting link: .

Downloading GPS data stored in WGS84/NAD83 datum and displaying them with GIS data in NAD27 datum can result in a 100's of meters in error!

Convert between UTM, WGS84 and NAD27 / NAD83, and more. almost all projections and datums on Earth are supported. See complete list. .

For convenience, a link is included to the National Geodetic Survey's NADCON program, which allows conversions between the NAD83 / WGS84 coordinate system .

Dec 5, 2010 . According to this article, the difference between the WGS84 and the NAD83 datums is in the order of 1 meter. Unless one is in a context .

Jump to NAD83 vs. WGS84‎: NAD83 did not move along with it. The bottom line is that the NAD83 datum and WGS84 datum are no longer co-incident as .

Dec 12, 2003 . Hank - I'll look into this a bit, but for the location and .

7 posts - 2 authors - Last post: Nov 12, 2009Hi Mike, I have some scripts where I have the same data types (i.e. 1 deg lat x 1 deg lon) that get assembled from 8x8 quads (i.e. rows a-h .

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4 posts - 2 authors - Last post: Oct 7, 2004Message, I used two different approaches to perform a geographic datum .

1 post - 1 author - Last post: Dec 23, 2006In Map 3D, what datum transformations are available to go between WGS84 (G1150) and NAD83 (CORS96). In other words, does Map assume these .

Mar 1, 2011 . I am trying to convert a file in WGS format to Conversion from WGS84 to NAD83( EPSG:26912 - NAD83 / UTM zone 12N ), comman line input is .

What are NAD27, NAD83, GRS80, WGS84 Datum, and State Plane Coordinate System? ANSWER: The literal answer to this question is that NAD27 and NAD83 are two .

Jump to NAD83 vs. WGS84‎: NAD83 did not move along with it. The bottom line is that the NAD83 datum and WGS84 datum are no longer co-incident as .

Jump to North American Datum 83 and WGS84‎: The initial definition of NAD83(1986) was intended to match GRS80 and WGS84, and many older publications .

15 posts - 6 authors - Last post: Feb 16, 2010I see that there are now 8 different transformations between NAD83 and WGS84 .

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3 posts - 2 authors - Last post: Aug 4, 2010The tribal boundary shapefile is in the NAD83 projection, and the census .

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WGS84 vs NAD83. April 29 2009 | 0 comments. Categories: Map Data. What is the difference between the WGS84 and NAD83 datums? If I create a map using the .

Nov 24, 2008 . Hi Matt, Your suggestion of : Converting WGS84 to NAD83 and vice-versa (Alaska) * In ArcGIS, use the NAD_1983_to_WGS_1984_5 transformation .

Oct 1, 2010 . Folks, I have generally treated NAD83 and WGS84 as equivelent for the purposes of PROJ.4 and this seems to be the general practice in the .

Nov 17, 2008 . articleShow&d=24159 The differences between NAD83 and WGS84 can be up to a meter , and converting between the two introduces errors that are .

NAD83/WGS84, Clarke 1866 (NAD27), GRS 80, WGS 72, Australian 1965, Krasovsky 1940, International(1924)-Hayford(1909), Clarke 1880, Airy 1830, Bessel 1841 .

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Aug 6, 2010 . What is WGS84 and what is the difference between WGS84 and NAD83? If I select the Datum "NAD83" on my GPS receiver, am I in fact in NAD83? .

6 answers - May 7, 2009WGS84 is the standard. NAD83 and WGS84 are similar enough to each other that you can use one or the other. 28 of 33 people found this answer .

2 posts - 2 authors - Last post: May 17, 2010I have a requirement to convert WGS84 coordinates from a bing map to NAD83 MD state plane in feet. I am using GPSTools to do the conversion. .

5 posts - 2 authors - Last post: Feb 3, 2004I want to change the datum of some files rom UTM NAD83 to UTM WGS84. I have .

Sep 12, 2003 . I have no information on the NAD83 and WGS84 datums, nor can my spreadsheet calculate differences between those datums and WGS84. .

2 answers - Mar 21, 2007Why do US surveyors primarily use the NAD83 Datum for surveying . This is not up my alley at all but I did come across a site that explains it .

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Mar 1, 2011 . Conversion from WGS84 to NAD83(EPSG:26912 - NAD83 / UTM zone .

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Apr 15, 2011 . This paper contains a similarity transformation between WGS84 (730) and ITRF92. . . from older NGS datums to NAD83, with GPPCGP and SPCS83. .

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