"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by Semantic MediaWiki.
|23:29:59, 15 December 2010 +|
|Subcategory of||Media by format + , Telecommunications +|
|hide properties that link here|
|Category:Broadcast engineering + , Category:Radio + , Category:Television +||Subcategory of|