speaslee

Alaska datum transformation choice list

Discussion created by speaslee on Jul 5, 2013
Latest reply on Jul 5, 2013 by MKennedy-esristaff
Has anyone run into problems using ArcGIS 10.1 to transform coordinate systems from NAD 1983 to WGS 1984?

I�??m having difficulty with Alaska. The Transformation Method choice list in ArcGIS 10.1 SP1 Projection Wizard does not list �??NAD_1983_To_WGS_1984_5�?� as one of the possible methods. According to the most recent ESRI documentation I�??ve read, that is the approved method and that is what we have used in the recent past.

I�??ve tried this with a GCS_WGS_1984 layer that included the Aleutian Islands and I tried it with an Alaskan Albers NAD1983 layer without the Aleutians, but am unable to get #5 to show up. �??NAD_1983_To_WGS_1984_2�?� is included in the list even though I thought it is no longer recommended.

http://support.esri.com/cn/knowledgebase/techarticles/detail/24159

Any ideas? 

-Steve

Alaska Shapefile extent as reported in ArcCatalog Description (without Aleutian Islands)
West -175.684408 East -122.400570
North 67.115936 South 54.199787

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