Subject: [IGEXMail-0558] Subject
From: "Schupler, Bruce R." <[email-masked]>
Date: 01 Dec 1999 00:56:48

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IGEX Electronic Mail    01-Dec-1999 00:56:48                   Message No 0558
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Author: "Schupler, Bruce R." <[email-masked]>
Subject: 

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Author: Bruce Schupler
Subject: GGAO Maser Failure

The NR hydrogen maser which feeds 5 MHz to the GODE IGS and GODZ IGEX
receivers has
suffered a vacion pump failure.  Both receivers are presently being fed by 5
MHz generated by 
the crystal in the maser. Both receivers will be switched to a more stable 5
MHz source tomorrow 
while repairs to the maser are performed.  A more detailed message with
information as to exactly 
when the maser failed will be sent as soon as that information is recovered
from the station logs.

We apologize for this inconvenience and the delay in discovering / reporting
it due to the Thanksgiving
holiday and station personnel vacation.

Regards.

Bruce R. Schupler
SLR/VLBI Program Manager
AlliedSignal Technical Services Corporation
7515 Mission Drive
Lanham, MD 20706
USA

Voice:             (301)805-3992
Fax:               (301)805-3974
Pager:            (888)472-1151
E-mail:           [email-masked]
Pager e-mail:  [email-masked]

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