User talk:103.86.49.130

September 2019
Hello, I'm Frood. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Electromagnetic radiation— because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. - Frood (talk!) 02:47, 23 September 2019 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.

You may be blocked from editing without further warning the next time you vandalize Wikipedia, as you did at Waveguide. Johnuniq (talk) 04:05, 23 September 2019 (UTC)

Anonymous users from this IP address have been blocked temporarily from editing for abuse of editing privileges. If you think there are good reasons for being unblocked, please read the guide to appealing blocks, then add the following text below the block notice on your talk page:. Johnuniq (talk) 04:09, 23 September 2019 (UTC)
 * If this is a shared IP address and you are an uninvolved editor with a registered account, you may continue to edit by logging in.