Outer Sphere PCB for STD22 110 233 X10: The Outer Sphere PCB (Printed Circuit Board) for the STD22 is a crucial component in the Raytheon Anschutz Gyrocompass system. It controls the electrical functions of the gyrocompass, ensuring precise orientation data for navigation. Regular maintenance of the PCB ensures that the gyrocompass functions optimally and reliably during long voyages.