Update #1: Data has been recovered. Length of outage was 2 hours and 9 minutes.

Topic: Sentinel-6A Service

Date/Time Issued: December 26, 2025 1004Z

Product(s) or Data Impacted: NRT Altimetry HR L2 Products - S6A

NRT P4 HR L2P (SLA) - S6A
STC Altimetry HR L2 Products - S6A
STC Altimetry HR L1B Products - S6A
STC P4 HR L3 (SLA) - S6A
STC Altimetry HR L1A Products - S6A
STC P4 HR L2P (SLA) - S6A

Date/Time of Initial Impact: December 26, 2025 0333Z

Date/Time of Expected End: December 26, 2025 0542Z

Length of the Outage/Event: 2 Hours 9 Minutes

Message number:	13949
Message creation:	Fri Dec 26 09:30:10 UTC 2025

Type:	Service Alert
Ann Nr:	12921
Rev:	1
Start Time:	2025-12-26 03:33:00.0
End Time:	2025-12-26 05:42:00.0
Satellites:	Sentinel-6A
Subject:	ground-segment-anomaly
Impact:	data-unavailable
Revision History:	[Original] Investigation is ongoing.
Status:	recovered
Issue Time:	2025-12-26 09:29:16.0
Services:	NRT Altimetry HR L2 Products - S6A NRT P4 HR L2P (SLA) - S6A STC Altimetry HR L2 Products - S6A STC Altimetry HR L1B Products - S6A STC P4 HR L3 (SLA) - S6A STC Altimetry HR L1A Products - S6A STC P4 HR L2P (SLA) - S6A

Name:	EUMETSAT
Address:	Eumetsat-Allee 1 D-64295 Darmstadt Germany
Telephone:	+49 6151 807 3660/3770
Fax:	+49 6151 807 3790
E-mail:	ops@eumetsat.int
User Portal:	https://user.eumetsat.int

This notification was sent to ESPC.Notification@noaa.gov mailing list. If you wish to unsubscribe or subscribe to this list, please contact ESPC Help-Desk at ESPCOperations@noaa.gov with your request. Please note: it may take up to two business days to process your request. For any additional information you can reach ESPC at 301-817-3880 (24x7).