Update #1: Commanding activities related to NOAA-20 VIIRS Outgassing campaign have completed, however instrument internal temperatures remain elevated so VIIRS data will be degraded.
On Svalbard Contact SVL 1650 AOS 15:21 UTC, N20 OMPS commanded to Operate mode and returned to nominal operations.
On Svalbard Contact 1651, AOS 17:04 UTC, N20 VIIRS DAS was loaded and VIIRS configured for nominal operations. Instrument temperatures remain elevated and data will be degraded until approximately March 18.
On Svalbard Contact 1651, AOS 17:04 UTC, N20 CERES was commanded to Cross-Track mode and returned to nominal operations.
Topic: NOAA-20 VIIRS Outgassing Activity Scheduled from March 12, 2018 to March 14, 2018
Date/Time Issued: March 14, 2018 1957Z
Product(s) or Data Impacted: NOAA-20 VIIRS, CERES, and OMPS Sensor Data
Date/Time of Initial Impact: March 12, 2018 1235Z
Date/Time of Expected End: March 14, 2018 2000Z
Length of Outage: See Details.
Details/Specifics of change: On March 12, 2018, NOAA-20 will start an Outgassing Activity to remove accumulated
water from the NOAA-20 VIIRS instrument. During this activity, VIIRS will be in Outgassing Mode, CERES will be in SAFE mode, and OMPS will be in decontamination mode. The end time of the activity is approximate and an updated notice with exact times will be issued later. Provided below are the planned outage time periods for CERES, OMPS and VIIRS.
From March 12 2018 12:34Z to March 14, 2018 20:00Z, NOAA-20 CERES will be in SAFE Mode and science data will not be available.
From March 12 2018 12:34Z to March 14, 2018 20:00Z, NOAA-20 OMPS will be in decontamination mode and science data will not be available.
From March 12 2018 12:34:00 Z to March 14, 2018 20:00Z, NOAA-20 VIIRS will be in Outgassing Mode and science data will not be available. From March 14, 2018 until March 16, 2018, the NOAA-20 VIIRS infrared channels are expected to be degraded.
Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880
Web Site(s) for applicable information: N/A
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