Electrostatic gyros use electronic controls to realign the gyro during orientation changes. Other gyro technologies have equally critical dependence upon precision resistors. The electronics are most often in the form of networks of resistors defining the various functions of “on-off detector,” “azimuth control,” and so forth. These functions are critical to the transfer of information, for which airborne and outer space missions typically provide only one opportunity for success. This is just one reason that the unequaled precision and stability of Vishay foil resistors is a must for gyro navigation applications.