Subject: instrument-calibration Impact: data-unavailable Detail: SEM MEPED in flight calibration. Status: scheduled Issue Time: 2017-03-29 15:12:59.0 Services: SEM AHRPT Metop-A SEM L0 - Metop-A Type: Planned Maintenance Ann Nr: 2774 Rev: 1 Start Time: 2017-04-04 09:00:00.0 End Time: 2017-04-04 10:00:00.0