Subject: instrument-calibration Impact: data-unavailable Detail: SEM TED in flight calibration. Status: scheduled Issue Time: 2018-01-31 14:12:02.0 Services: SEM L0 - Metop-B SEM AHRPT Metop-B Type: Service Enhancement Ann Nr: 3494 Rev: 1 Start Time: 2018-02-06 09:00:00.0 End Time: 2018-02-06 09:00:00.0