* FAA TSO: C63b, class 7
    * RTCA: (RT, ANT) DO-138; (IND) DO-160A
    * Power Requirements: +27.5 VDC
    * Gyro Reference: 115VAC, 400Hz at 0.10VA
    * Dimensions: see individual units
    * Transmitter Power: 5 kW nominal
    * Scan Angle: 90 deg (+-45 deg.)
    * Memory: Digital Storage