Subject: instrument-calibration Impact: data-unavailable Detail: SEM TED in flight calibration. Status: scheduled Issue Time: 2017-11-15 10:37:15.0 Services: SEM L0 - Metop-A SEM AHRPT Metop-A Type: Planned Maintenance Ann Nr: 3339 Rev: 1 Start Time: 2017-11-21 10:15:00.0 End Time: 2017-11-21 10:30:00.0