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Date Posted: 09:02:35 06/07/13 Fri
Author: Art
Subject: Re: KDKA
In reply to: Wondering 's message, "KDKA" on 09:37:35 06/03/13 Mon

OK I'll bite. On a very hot day in the summer of 1973, downtown lost 2 of the six electric feeds that power the city. The overload on the remaining feeds caused the entire area to lose power. This is when we (strikebreakers running the facility) learned that, while there was a generator to power the radio floor, it was not adequate to run the entire facility. It had ammeters on each phase to show maximum allowed current draw. We had to scramble around, turning "nonessential" items off to bring the current flow down low enough to prevent the genny from failing. This included most of the lights in the station, along with certain items in racks that we could "get along without". It took several minutes of off-air time to find and re-connect items that WERE essential for the signal path, before we could get AM back on the air. And we had to keep going over to the sales side and keep telling them NOT to turn the lights back on. Egos over there couldn't understand how they were not ESSENTIAL during the blackout.
The beautiful new KDKA facility has giant UPS units, backed up by properly sized generators, such that a power outage probably wouldn't even be noticed by anyone other than engineering.

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