Topic: NOAA-19 MHS Outage due to MIMU-2 to MIMU-1
Swap
Date/Time
Issued:
March 31, 2018 2229Z
Product(s)
or Data
Impacted: MHS Sounding Products
Impacts on Users and Significance: MHS sounding products will be impacted.
Date/Time of Initial Impact: April 2, 2018 1330Z
Date/Time
of Expected
End:
April 2, 2018 1630Z
Length of
Outage:
~3 Hours
Details/Specifics of Change: MIMU-2 x-axis laser gyro is currently degrading at a fast rate, with an estimated failure at the end of April. As a result, NOAA-19 needs to be switched from MIMU-2 to MIMU-1. This will cause the MHS to lose its 10 Hz clock signal, which will cause it to enter fault mode. The MHS needs to then be recovered from fault mode and placed back in scan mode.
Contact
Information
for Further Information: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880 and/or other
contacts
as necessary
Web
Site(s) for applicable
information: N/A
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