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State Grid Factor program

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djames
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Anyone know of a stand alone program that will compute state combine grid factor using Geoid 12A ? for a given point or site average .


 
Posted : October 22, 2013 7:49 am
john-putnam
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I would say CORPSCON but I'm not sure that it uses Geoid12A yet. I don't think this is a real problem though. The geoid model is used in the computation of the sea-level correction and I don't think a couple of cm difference in the model is going to add any significant error. We are talking about changes in the 9th decimal place which translates to a change of about .1 millimeter, definitely not a problem if you are using a combined factor.


 
Posted : October 22, 2013 8:52 am
Norman_Oklahoma
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> I would say CORPSCON but I'm not sure that it uses Geoid12A yet.
These instructions for loading Geoid09 can be easily adapted to load Geoid12a.


 
Posted : October 22, 2013 9:20 am
djames
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Current download says combine scale is wrong dont use.


 
Posted : October 22, 2013 7:13 pm