Subject: instrument-calibration Impact: data-unavailable Detail: SEM MEPED in flight calibration. Status: scheduled Issue Time: 2018-03-14 12:05:02.0 Services: SEM AHRPT Metop-A SEM L0 - Metop-A Type: Planned Maintenance Ann Nr: 3670 Rev: 1 Start Time: 2018-03-20 09:00:00.0 End Time: 2018-03-20 15:00:00.0