User talk:66.87.148.89

April 2016
Hello, I'm Oshwah. I wanted to let you know that I reverted one of your recent contributions —the one you made with this edit to Diffuse sky radiation— because it didn’t appear constructive to me. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks.  ~Oshwah~  (talk) (contribs)   21:17, 15 April 2016 (UTC)
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March 2017
Hello, I'm Gilliam. I wanted to let you know that one or more of your recent contributions have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks. – Gilliam (talk) 22:22, 17 March 2017 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.