Subject: instrument-calibration Impact: data-unavailable Detail: SEM TED in flight calibration. Status: scheduled Issue Time: 2017-12-20 16:28:20.0 Services: SEM L0 - Metop-A SEM AHRPT Metop-A Type: Planned Maintenance Ann Nr: 3431 Rev: 1 Start Time: 2017-12-29 09:07:00.0 End Time: 2017-12-29 09:19:00.0 Satellites: Suomi NPP