sentences:  Since consummate for the purchase, GMA Channel 5 Davao became an owned-and-operated station under the newly-ownership of Republic Broadcasting System.The network was later formally changed its corporate name to GMA Network Incorporated on May 16, 1996, with GMA now standing for "Global Media Arts".In 1999, GMA Channel 5 Davao was re-upgraded into an originating station with the producing its local newscast Testigo