Topic: GOES-18 ABI solar calibration scans

Date/Time Issued: November 4, 2022 1400Z

Product(s) or Data Impacted: GOES-18 ABI product outages

Date/Time of Initial Impact: October 14, 2022 1510-1520 UTC

Date/Time of Expected End: November 14, 2022 1510-1520 UTC

Length of Outage: Approximately 5 minutes during a period of Continuous Full Disk operations

Details/Specifics of Change:

During the first period of GOES-18 and GOES-17 interleave between October 14 and November 14th, ABI Solar Calibration PLT activities for GOES-18 will be ongoing. Solar calibrations will be performed at a 6 day cadence from October 14 to November 7 and a 7 day cadence from November 7 to November 14.

GOES-18 ABI 10-minute Flex Mode (mode 6) will be replaced with 10 minutes of Continuous Full Disk (mode 4) from approximately 1450-1500 UTC +/- one 10 minute ABI mode 6 timeline. A GOES-18 ABI solar calibration scan will be performed during one of the two scheduled 5 minute Continuous Full Disk (Mode 4) timelines, resulting in an outage of all ABI products. ABI 10-minutes Flex Mode (mode 6) will resume at approximately 1500 UTC +/- one 10 minute ABI mode 6 timeline. The next Full Disk scan will populate at 1500 UTC +/- one 10 minute ABI mode 6 timeline. 

 

The GOES-18 Solar Calibration schedule is as follows for the interleave period:

Date	DOY
14-Oct-22	287
20-Oct-22	293
26-Oct-22	299
1-Nov-22	305
7-Nov-22	311
14-Nov-22	318

 

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880

 

Web Site(s) for applicable information: See https://www.ospo.noaa.gov/Operations/messages.html for this and other satellite related messages.

 

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