Talk:Simplified perturbations models

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Military history: Aviation / Technology / North America / United States

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New external link, please check COI

There seems to be no other Java implementation of SDP4/SGP4 other than my own. I've added the external link "SDP4 algorithm in Java". Can someone please check it's appropriate and remove the link if not? Chi And H (talk) 19:35, 21 May 2009 (UTC)[reply]