Subject: instrument-calibration Impact: data-unavailable Detail: SEM TED in flight calibration. Status: scheduled Issue Time: 2018-06-20 14:26:43.0 Services: SEM L0 - Metop-B SEM AHRPT Metop-B Type: Planned Maintenance Ann Nr: 3928 Rev: 1 Start Time: 2018-06-26 09:00:00.0 End Time: 2018-06-26 13:00:00.0