User talk:Tramrattan

December 2015
Hello, I'm DVdm. Your recent edit to the page Spacetime appears to have added incorrect information, so I removed it for now. If you believe the information was correct, please cite a reliable source or discuss your change on the article's talk page. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. DVdm (talk) 13:44, 9 December 2015 (UTC)


 * Note: see page 16 of Ashby's Relativity in the Global Positioning System. Cheers - DVdm (talk) 13:53, 9 December 2015 (UTC)