Before my computer crashed someone down there expressed an interest in an aircraft compass system I have. I finally located all of it, gyro, amplifier, inverter, and RMI. If still interested contact me. Thanx Lloyd Please visit my web site http://www.lloydsdipsydumpster.com/ Lloyd Godsey KK7IZ 1315 N. Udall Circle Mesa, Az 85203 480-620-7145 (cell)