Complex sentence: The program launched on April 28,2008, initially airing in two separate live feeds--from 6-7am on WNYC 93.9 FM and from 8-9am on AM 820.
Split into simpler sentences: The program launched on April 28,2008. Initially the show aired in two separate live feeds--from 6-7am on WNYC 93.9 FM and from 8-9am on AM 820.