On August 31, 1946, González Camarena sent his first color transmission from his lab in the offices of the Mexican League of Radio Experiments at Lucerna St. No. 1, in Mexico City. The video signal was transmitted at a frequency of 115 MHz. and the audio in the 40-metre band. He obtained authorization to make the first publicly announced color broadcast in Mexico, on February 8, 1963, of the program "Paraíso Infantil" on Mexico City's XHGC-TV, using the NTSC system which had by now been adopted as the standard for color programming.