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Is there max length limitation on WKT name?

see the bold text below:

GEOGCS["GCS_Wake_Eniwetok_1960", DATUM["Wake_Eniwetok_1960", SPHEROID["Hough_1960",6378270,297]], PRIMEM["Greenwich",0], UNIT["Degree",0.017453292519943295], AUTHORITY["EPSG","37229"]]

Can you please point me to link or official documentation for WKT specs limitations or length?

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    The original spec was/is at OGC. Version 2.0 is making its way through OGC and ISO. Currently, Esri's limit is 63 characters, I believe. It used to be 31. – mkennedy Jan 20 '15 at 2:34
  • Thanks @mkennedy, is there official documentation for current standard? – Scott Jan 20 '15 at 15:20
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    There's some in OGC 01-009, "OpenGIS Coordinate Transformation Service Implementation Specification" (PDF). I'm not turning up the original CRS WKT spec. I can find a draft of the new std, but that doesn't really help you. Drop me a line, mkennedy at esri dot com and I'll send you some unpublished Esri doc on it. – mkennedy Jan 20 '15 at 17:28
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As commented by @mkennedy:

The original spec was/is at OGC. Version 2.0 is making its way through OGC and ISO. Currently, Esri's limit is 63 characters, I believe. It used to be 31.

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