Complex sentence: XEAB-AM 1400 hit the air on December 12,1947 known as "Las Cuatro Iniciales de Oro de Santa Ana", the 250-watt station was owned by Alfredo Marín Castro and had received its concession the previous August.
Split into simpler sentences: XEAB-AM 1400 hit the air on December 12,1947, known as "Las Cuatro Iniciales de Oro de Santa Ana". The 250-watt station was owned by Alfredo Marín Castro and had received its concession the previous August.