Topic: GOES-17 Operational Declaration and Transition Plan Status

Date/Time Issued: December 20, 2018 1635 UTC

Product(s) or Data Impacted: All GOES-17 ABI, GLM, SUVI, SEISS, MAG, and EXIS products

Date/Time of Initial Impact: October 24, 2018 1345 UTC

Date/Time of Expected End: January 2019 TBD UTC

Length of Event/Outage: See details below.

Details/Specifics of Change:

GOES-17 will go into operations as the GOES-West satellite during the week of January 7th, 2019. A notification of the exact date will be sent closer to this time. The GOES-15 LRIT broadcast will be disabled at the same time.

GOES-17 and GOES-15 will operate in tandem from their respective locations of 137.2 degrees west and 128 degrees west for six months.

Additional information will be communicated as needed.

Contact Information for Further Information: Kathryn Mozer at or SPSD User Services at

Web Site(s) for applicable information:

See for additional information.

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