Complex sentence: KNOB (FM) started out as a Jazz station, operating 16 hours per day as "The Jazz Knob", broadcasting from a studio at their transmitter site atop Signal Hill near Long Beach Airport.
Split into simpler sentences: KNOB (FM) started out as a jazz station, operating 16 hours per day as "The Jazz Knob". It broadcasted from a studio at their transmitter site atop Signal Hill near Long Beach Airport.