User talk:119.30.47.154

April 2014
Hello, I'm Hhhippo. I wanted to let you know that I undid one or more of your recent contributions to Frequency modulation because it did not appear constructive. 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! &mdash;&thinsp; H HHIPPO  17:07, 27 April 2014 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself so you can avoid further irrelevant notices.

October 2016
Hello. This is a message to let you know that one or more of your recent contributions did not appear constructive and has been undone. Please take some time to familiarise yourself with our policies and guidelines. You can find information about these at our welcome page which also provides further information about contributing constructively to this encyclopedia. If you only meant to make test edits, please use the sandbox for that. If you think I made a mistake, or if you have any questions, you may leave a message on my talk page. Thank you. Korg (talk) 01:40, 6 October 2016 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself so you can avoid further irrelevant notices.