Topic:M-B NOAA-20 ATMS Planned Outage Due to electrically erasable programmable read-only memory (EEPROM) data write activity

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Date/Time Issued:M-B M-BJanuary 30, 2020 1400 UTC

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Product(s) or Data Impacted:M-B ATMS products

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Satellite(s) Involved:M-B M-BNOAA-20

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Instrument (s) Involved:M-B Advanced Technology Microwave Sounder (ATMS)M-B

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Date/Time of Initial Impact: February 26, 2020 1400 UTC

Impacts on Users and Significance:M-B No data will be produced by ATMS.

Date/Time of Expected End:M-B February 26, 2020 2000 UTC

Length of Outage: Approximately 6 hours

Details/Specifics of Change: All NOAA-20 ATMS data and its-derived products will not be available while the EEPROM activity is being executed.M-B This planned outage is necessary as EEPROM is updated successfully over several contacts.M-BM-B

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Contact Information for Further Information: ESPCOperations@noaa.gov and 301-817-3880, and User Services at SPSD.Userservices@noaa.govM-B

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Web Site(s) for applicable information: NA