Complex sentence: On October 21,2014, after 37 years broadcasting on 1030 AM, WOSO signed off, after the transmitter has been vandalized and the Puerto Rico Electric Power Authority forced to shut down the station.
Split into simpler sentences: On October 21,2014, after 37 years broadcasting on 1030 AM, WOSO signed off. The transmitter had been vandalized and the Puerto Rico Electric Power Authority was forced to shut down the station.