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UPS (1Sep92)
(from NSO, NOAO Newsletter No. 31, 1 September 1992)

On 8 June a new 75 KVA Uninterruptable Power System (UPS) was installed
in the Vacuum Tower Telescope. This new system will allow up to 45
minutes of observing time during a power outage.  In addition, under
circumstances of an extended power outage, we will now be able to
operate the Vacuum Tower Telescope using power from the Sac Peak
generators.

Dick Mann, Robert Rentschler, Will Rogers

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