518
NOUS72 KNES 201734
ADMNES
*TOPIC:* SENTINEL-6A SERVICE



DATE/TIME ISSUED: SEPTEMBER 20, 2026 1722Z



PRODUCT(S) OR DATA IMPACTED: SEE TABLE BELOW



*DATE/TIME OF INITIAL IMPACT:* SEPTEMBER 19, 2026 0139Z



*DATE/TIME OF EXPECTED END:* SEPTEMBER 19, 2026 0439Z


*LENGTH OF THE OUTAGE/EVENT:* 3 HOURS


MESSAGE NUMBER: 14992
MESSAGE CREATION: SUN SEP 20 17:21:10 UTC 2026
TYPE: SERVICE ALERT
ANN NR: 13901
REV: 1
START TIME: 2026-09-19 01:39:00.0
END TIME: 2026-09-19 04:29:00.0
SATELLITES: SENTINEL-6A
SUBJECT: GROUND-SEGMENT-ANOMALY
IMPACT: DATA-DELAYED
DETAIL: NOMINAL SERVICE HAS BEEN RESUMED. EVENT END TIME IS 03:33 FOR THE
FOLLOWING S6A STC PRODUCTS: STC ALTIMETRY HR L2, STC ALTIMETRY HR L1B.
REVISION HISTORY: [ORIGINAL] INVESTIGATION IS ONGOING.
STATUS: RECOVERED
ISSUE TIME: 2026-09-20 17:19:50.0
SERVICES: STC ALTIMETRY HR L2 PRODUCTS - S6A
STC ALTIMETRY HR L1A PRODUCTS - S6A
STC ALTIMETRY HR L1B PRODUCTS - S6A

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