User talk:Siegfriedlud

March 2022
Hello, I'm Jacenty359. Your recent edit(s) to the page Global Positioning System appear to have added incorrect information, so they have been reverted 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 would like to experiment, please use your sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thank you. Jacenty359 (talk) 18:35, 5 March 2022 (UTC)