| Owner | KNMI |
| Manufacturer | Vaisala |
| Dimensions | 1.21 m x 0.76 m x 0.51 m |
| Weight | 83 kg |
| Wavelength | 905 nanometer (InGaAs laser diode) +/- 5 nm @ 25 °C |
| Receiver Type | Silicon Avalanch Photodiode, responsivity at 905nm: 65 A/W |
| Observation Angle | 85° (adjustable) |
| Measurement Range | 0 to 38400 ft (0 -11.25 km) |
| Range Resolution | 100 ft (30 m) |
| Integration Time | 30 s |
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The CT75 has been in operation at Cabauw since mid nineties. Since 6 September 2003 the automatic amplification adjustment of the CT75 has failed. Therefore the backscatter data from that date onwards are more noisier than usual. On 30th of March 2004 the amplification has been reset but is still fixed.
Henk Klein Baltink
KNMI
PO Box 201
3730 AE De Bilt
the Netherlands
Telephone: +31 30 2206476
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This site is maintained by Henk Klein Baltink