Update #1: Due to the issuance of a CWD for likely tropical storm formation off the Atlantic coast, the installation of PR.12.07.00 has been delayed until at least Monday, September 25, 2023

Topic: GOES-16 and GOES-18 software build (PR.12.07.00) implementation

Date/Time Issued: September 21, 2023 1710 UTC

Product(s) or Data Impacted: GOES-16/18 EXIS EUVS products

Date/Time of Initial Impact: September 25, 2023

Date/Time of Expected End: N/A

Length of Outage: N/A

Details/Specifics of Change: On September 21, 2023 the PR.12.07.00 software update will be made operational in the GOES-R Ground System. This update will include modifications to the EUVS metadata for certain variables in order to improve accuracy and clarity. These changes include updates to the long_name attributes for seven variables and the name of one of the global attributes.

The changes are detailed in the table below.

L1b Variable	Attribute	Current value	New value
EUVS Currents and Signals
CurrentsEUVSA	long_name	currents at observation time for each EUVS-A diode in telemetry order	corrected currents at observation time for each EUVS-A diode in telemetry order
Currents EUVSB	long_name	currents at observation time for each EUVS-B diode in telemetry order	corrected currents at observation time for each EUVS-B diode in telemetry order
SignalsEUVSC_hline	long_name	signals at observation time for the first 10 EUVSC diodes masked by the MgII h line mask in telemetry order	corrected signals at observation time for the first 10 EUVSC diodes masked by the MgII h line mask in telemetry order
SignalsEUVSC_kline	long_name	signals at observation time for the first 10 EUVSC diodes masked by the MgII k line mask in telemetry order	corrected signals at observation time for the first 10 EUVSC diodes masked by the MgII k line mask in telemetry order
IntegratedSignalsEUVSC_BlueWing	long_name	blue wing signal at observation time	corrected blue wing signal at observation time
IntegratedSignalsEUVSC_RedWing	long_name	red wing signal at observation time	corrected red wing signal at observation time
IntegratedSignalsEUVSC_DarkMask	long_name	dark signal at observation time	corrected dark signal at observation time
EUVS global attributes
global attribute	title	EXIS XRS L1b Solar Flux: EUV	EXIS L1b Solar Flux: EUV

Contact Information for Further Information: Please email Steve Superczynski at stephen.superczynski@noaa.gov; ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880 24x7

Web Site(s) for applicable information: N/A

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