October 2017
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Hello, I'm Theinstantmatrix. I noticed that you recently removed content from Global Positioning System without adequately explaining why. In the future, it would be helpful to others if you described your changes to Wikipedia with an accurate edit summary. If this was a mistake, don't worry; the removed content has been restored. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. theinstantmatrix (talk) 18:58, 7 October 2017 (UTC)
November 2020
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Please do not add or change content, as you did at Manoj Mukund Naravane, without citing a reliable source. Please review the guidelines at Wikipedia:Citing sources and take this opportunity to add references to the article. Thank you. CycloneYoris talk! 08:35, 6 November 2020 (UTC)
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