Subject: instrument-calibration Impact: data-unavailable Detail: SEM MEPED in flight calibration. Status: scheduled Issue Time: 2018-02-14 16:09:04.0 Services: SEM L0 - Metop-A SEM AHRPT Metop-A Type: Planned Maintenance Ann Nr: 3570 Rev: 1 Start Time: 2018-02-20 09:45:00.0 End Time: 2018-02-20 11:14:00.0 Satellites: Metop-A Subsystem: GRAS