Complex sentence: The station first signed on the air on August 2,1957 as WPST-TV, as the second ABC affiliate in the Miami market, it was originally owned by P ublic S ervice T elevision, Inc., the broadcasting subsidiary of National Airlines.
Split into simpler sentences: The station first signed on the air on August 2,1957 as WPST-TV. It was originally owned by P ublic S ervice T elevision, Inc., the broadcasting subsidiary of National Airlines.