Complex sentence: During the 1950's and 60's WBML established itself as the station to turn to for breaking news, with mobile units on the streets of Macon throughout most of the day and night.
Split into simpler sentences: During the 1950's and 60's WBML established itself as the station to turn to for breaking news. Station management placed mobile units on the streets of Macon throughout most of the day and night.