Subject: instrument-calibration Impact: data-unavailable Detail: SEM MEPED in flight calibration. Status: scheduled Issue Time: 2018-01-19 07:54:17.0 Services: SEM AHRPT Metop-B SEM L0 - Metop-B Type: Planned Maintenance Ann Nr: 3479 Rev: 1 Start Time: 2018-01-23 14:10:00.0 End Time: 2018-01-23 14:16:00.0 Satellites: Metop-A Subsystem: GRAS