CSU-CHILL
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 | |
| Country of origin | United States |
|---|---|
| No. built | 1 |
| Type | Weather radar |
| Frequency | 2735 MHz (S-band) 9415 MHz (X-band) |
| Beamwidth | 1.1° |
| RPM | 0-33 deg s−1 |
| Diameter | 8.5 m |
| Elevation | 0°-90° |
| Power | 800 kW - 25 kW (S and X-band) |
Colorado State University - CHicago ILLinois radar, colloquially CSU-CHILL, is a semi-mobile, dual-frequency weather surveillance radar developed in 1970 by the University of Chicago[1] and the Illinois State Water Survey,[2] which has since been moved to Colorado on behalf of Colorado State University.[3] The radar was operated through a cooperative agreement with the National Science Foundation.[4]