Abstract: A digital fluidic output accelerometer which has a proportional fluid ampier for balancing forces acting on a mass which is rotatably mounted on air bearing means and has a digital fluidic output which produces digital signals that are proportional to acceleration of the device.

Abstract: A system including a highly accurate electronic navigator mounted on a vele and the method of using same. Azimuth or position data from the navigator is repeated by a gyro in a remote head on the vehicle slaved by torque and signal cables to the navigator. If the gyro torque cables are opened, the remote head may be removed from the vehicle and mounted on some other body. The azimuth or position data of the body can then easily be determined from the position of the remote head relative to the navigator references. In particular, the invention is envisioned as usable in laying missiles or guns with the navigator and remote head being carried by a jeep or the like.