Davidbstanley

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August 2017

Please do not add or change content, as you did at Lungi International Airport, 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. Jetstreamer ^Talk 23:48, 4 August 2017 (UTC)

I am only an occasional contributor to Wikipedia, so I do not know all the rules. I am disappointed that you have reverted one of my edits before I even had chance to add a citation. I am not going to make the effort to add it back with a citation.Davidbstanley (talk) 14:50, 7 August 2017 (UTC)

File permission problem with File:Chiltern Radio launch brochure.jpg

Thanks for uploading File:Chiltern Radio launch brochure.jpg, which you've attributed to Colin Mason. I noticed that while you provided a valid copyright licensing tag, there is no proof that the creator of the file has agreed to release it under the given license.

If you are the copyright holder for this media entirely yourself but have previously published it elsewhere (especially online), please either

• make a note permitting reuse under the CC-BY-SA or another acceptable free license (see this list) at the site of the original publication; or
• Send an email from an address associated with the original publication to permissions-en@wikimedia.org, stating your ownership of the material and your intention to publish it under a free license. You can find a sample permission letter here. If you take this step, add {{OTRS pending}} to the file description page to prevent premature deletion.

If you did not create it entirely yourself, please ask the person who created the file to take one of the two steps listed above, or if the owner of the file has already given their permission to you via email, please forward that email to permissions-en@wikimedia.org.

If you believe the media meets the criteria at Wikipedia:Non-free content, use a tag such as {{non-free fair use}} or one of the other tags listed at Wikipedia:File copyright tags#Fair use, and add a rationale justifying the file's use on the article or articles where it is included. See Wikipedia:File copyright tags for the full list of copyright tags that you can use.

If you have uploaded other files, consider checking that you have provided evidence that their copyright owners have agreed to license their works under the tags you supplied, too. You can find a list of files you have created in your upload log. Files lacking evidence of permission may be deleted one week after they have been tagged, as described in section F11 of the criteria for speedy deletion. You may wish to read Wikipedia's image use policy. If you have any questions please ask them at the Media copyright questions page. Thank you. — Diannaa 🍁 (talk) 18:44, 22 July 2018 (UTC)

FM Broadcasting

RE: Your revision, with comment that "Most encoders are of the switching type. Harmonics are cancelled by adding switching at higher frequencies." While your revision explanation here is true -- Walsh functions -- I suggest you update the article language nonetheless, as it implies that a simple 38kHz switch will suffice. As you pointed out, it does not. algocu (talk) 17:25, 7 January 2019 (UTC)

Fair enough, I added a sentence to make that clear. RegardsDavidbstanley (talk) 18:48, 7 January 2019 (UTC)

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