Simplify the following text for a Grade 11 native English-speaking person.
Original: As well as contributing to the output of national television channel Das Erste , WDR produces the regional television service WDR Fernsehen ( formerly known as WDF and West3 ) and six regional radio networks .
Simplified: The WDR produces the regional television service WDR Fernsehen ( formerly known as WDF and West3 ) and six regional radio channels .