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*TOPIC: *SOLAR-1 PLANNED OUTAGE/STIS LIMITED PERFORMANCE TEST

*DATE/TIME ISSUED:* SEPTEMBER 29, 2026 1747Z


*PRODUCT(S) OR DATA IMPACTED: *STIS DATA


*DATE/TIME OF INITIAL IMPACT: *OCTOBER 1, 2026 1100Z

*DATE/TIME OF EXPECTED END: *OCTOBER 1, 2026 1155Z

*LENGTH OF EVENT:* 55 MINUTES


*DETAILS/SPECIFICS: *THE STIS LIMITED PERFORMANCE TEST (LPT) WILL BE
PERFORMED THURSDAY, OCTOBER 1, FROM 1100Z TO 1155Z. THIS IS A
RECURRING CALIBRATION PERFORMED BI-MONTHLY UNTIL THE END OF LIFE (EOL) OF
THE INSTRUMENT. THIS MAY RESULT IN A INVALID DATA DURING
THE CALIBRATION PERIOD.


*CONTACT FOR FURTHER INFORMATION:* NESDIS.OSPO.SOLAR.ENGINEERS@NOAA.GOV, OR
GOES-R.PRODUCT.ENGINEERING.GROUP@NOAA.GOV DURING NORMAL BUSINESS HOURS


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INFORMATION YOU CAN REACH ESPC AT 301-817-3880 <(301)%20817-3880> (24X7)

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