Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-19T09:16:43Z GCMD Search: Projects|G - I|IPMS http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 1 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NAOMIZI-2 Polar Motion Data of International Polar Motion Service -180.0,-90.0,180.0,90.0 1962-01-01T00:00:00Z 1988-03-30T00:00:00Z 1997-01-03T05:00:00Z Acting as the international polar motion measurement service(IPMS), this international joint measurement of longitude and latitude was carried out from 1962 to 1988. The coordinate values of polar ...