I was a teen at the time & my recollection of it was something like this: The existing transmitter (an old Western Electric?) & it's building were badly damaged in the late 1960's. They were already well into installing a new building/transmitter/phasor when this happened, so the daytime recovery was swift, but they had not completed the directional capability yet. I recall something about an STA to operate with 250 watts non-directional at night. I do remember there was a DJ with a Sparta console & 2 turntables operating from the new transmitter room...it sounded great without the phone line limiting the high frequency response...it also splattered 3 channels each way...WCLU must have loved that. Does anyone have any remembrance of this event?