Rotating Subsystems Many rotary joint designs from Cobham Antenna Systems (Methuen MA) incorporate ancillary components to create integrated RF rotating subsystems designed to suit unique customer needs. Cobham Antenna Systems can package the complete assembly: rotary joint, slip ring, fiber optic rotary joint, fluid or other media joint, pedestal, azimuth positioning unit, gears, motor, and controller. Add in the antenna and plumbing and we can give you the complete, tested quality...