History

Time	Change
2010-10-13 07:13:03+00:00	Created
2010-10-13 07:13:03+00:00	Associated with WGS84
2016-07-19 10:56:09+00:00	Associated with 世界測地系
2016-07-19 10:56:09+00:00	Associated with WGS 84
2017-01-28 13:51:31+00:00	Associated with WGS84楕円体
2017-01-28 13:55:30+00:00	Associated with GPS楕円体
2017-01-28 14:04:23+00:00	Associated with World Geodetic System 1984
2017-02-13 14:41:18+00:00	Associated with WGS84回転楕円体