Subject: instrument-calibration Impact: data-unavailable Detail: SEM MEPED in flight calibration. Status: scheduled Issue Time: 2018-05-02 13:36:36.0 Services: SEM L0 - Metop-A SEM AHRPT Metop-A Type: Planned Maintenance Ann Nr: 3784 Rev: 1 Start Time: 2018-05-23 09:00:00.0 End Time: 2018-05-23 09:00:00.0 Satellites: Metop-B