Ten years ago, on 20 May 2005, the first Microwave Humidity Sounder (MHS) instrument was launched into orbit on board the NOAA-18 satellite.
Wednesday, 20 May 2015
Four MHS instruments are currently in orbit (on Metop-A and -B and NOAA-18 and -19) and are in good health — the only exception being one channel on NOAA-19. A fifth instrument will be launched on board Metop-C in 2018.
The MHS instrument is a radiometer providing operational data from polar orbit in five microwave channels, used to retrieve vertical profiles of atmospheric water vapour. These are key inputs for numerical weather prediction models, which are used operationally for weather forecasting worldwide.
The MHS instrument was developed by Matra Marconi Space UK (now Airbus Defence & Space).