CLARA: ground based instruments

TU Delft site

• Radar:
  TU Delft: FM-CW radar; 3.315 GHz

  Lidar:

  RIVM: 1064 nm; 532 nm (example)

  ESTEC: 906 nm; range 0 - 21 km

  Microwave radiometer

  TU Eindhoven: 20/30/50 GHz

  Infrared radiometer:

  KNMI: 9.6 - 11.5 um

  Radiosondes

  At 6, 12 and 18 UTC

  Meteostation

  Temperature, humidity and wind

  Doppler sodar

  Wind, temperature inversion; range 0 - 600 m

ECN site

• FSSP-100; range 1 - 95 micron
• SMPS; range 10 - 1000 nm

Cloud Detection Network (CDN)

• ir_radiometer: 9.6 - 11.5 um
• lidar ceilometer: 906 nm; range 0 - 4 km