Radar wind profilers in the Colorado network

Radar systems used to measure vertical profiles of the horizontal wind in nearly all weather conditions can use frequencies between about 40 and 1000 MHz. This report describes three radar systems that measure wind profiles continuously and automatically. They operate at different frequencies (~ 50 MHz, 405 MHz, and 915 MHz) but are designed with a common philosophy and use many identical subsystems. Descriptions of hardware, software, and data processing are included.