N1 (Philippines)

National (branded as N1), is an English-language Philippine commercial television network, owned and operated by Mega Broadcasting Corporation. It was launched on August 23, 1973, as RBC, short for Rayben Broadcasting Company (a portmanteau of its station's founders' names, Raymond and Benjamin), to distribute programs from its sister channel, MegaManila Television.

It was temporarily closed on January 11, 1976, and was relaunched six days later as National Television. Since the relaunch, they aired some of their original television programs alongside MegaManila Television's programs.

Currently, they are broadcasting in both analog and digital simultaneously.

1972-1976: Launch of RBC
On November 1, 1972, the relaunch of MegaManila Television, their audience rate was incredibly low and is not getting enough attention. The television station was struggling and with not enough audience, they might close for good.

On December 16, 1972, they planned to launch another television station to distribute their programs nationwide. They started advertising the channel in January of 1973, and started a pre-launch test broadcast of the station on March 21, 1973. Throughout its 6-month test broadcast, people watching the test broadcast can dial the number on the television screen to suggest songs to add on the station's playlist.