Colby Instruments is one of the leaders in the design and manufacture of high-precision programmable microwave and radio frequency delay line instruments and modules. The company s products include a patented design that offers precision resolution available for any instrumentation electromechanical delay line, while also offering excellent repeatability. Each delay line model in Colby Instruments programmable delay line series is programmable via remote interface or local control. The company s product applications for the programmable delay line include test and measurement, defense systems, fiber optics, telecommunications, government, high precision timing and synchronization applications, universities and laser research facilities throughout the United States and the world. Colby Instruments is located in Santa Monica, Calif.