Complex sentence: This leaves the Los Angeles metro largely without a contemporary Christian radio station since the small micro repeaters of KYLA and KTLW which rebroadcast the Christian rock syndicate Air 1 only reach small portions of the LA metro area at a time.
Split into simpler sentences: This leaves the Los Angeles metro largely without a local contemporary Christian radio station. The small micro repeaters of KYLA and KTLW which rebroadcast the nationally syndicated Christian rock station Air 1 only reaches small portions of the LA metro area at a time.