View protection settings of "Ultrasonic Broadcasting System"

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Protection log

• 04:08, 20 November 2019 Johnuniq talk contribs protected Ultrasonic Broadcasting System [Edit=Require autoconfirmed or confirmed access] (expires 04:08, 4 December 2019) (Persistent disruptive editing) (hist)
• 21:53, 29 November 2015 CambridgeBayWeather talk contribs protected Ultrasonic Broadcasting System [Edit=Require autoconfirmed or confirmed access] (expires 21:53, 2 December 2015) [Move=Require autoconfirmed or confirmed access] (expires 21:53, 2 December 2015) (Persistent disruptive editing) (hist)

Pending changes log