Subject: instrument-calibration Impact: data-unavailable Detail: SEM MEPED in flight calibration. Status: scheduled Issue Time: 2017-01-11 12:31:19.0 Services: SEM L0 - Metop-A SEM AHRPT Metop-A Type: Service Enhancement Ann Nr: 2523 Rev: 1 Start Time: 2017-01-18 09:00:00.0