Following the Copernicus Sentinel-1B on-board software maintenance activity executed on 30 September 2021, a further maintenance operation had to be performed on 1 October 2021.

Due to this maintenance activity, no Sentinel-1B SAR measurements were performed on 1 October 2021 between 10:32 UTC and 12:18 UTC. Data acquired slightly before this period may have been affected as well.

We apologise for the inconvenience this might have caused.