This is a lot of 9 used good working radar parts. The parts are the following: 1) SPU PC Board for the 1831/1931/1941 Display. 2)CRT Drive PC Board For display. 3) Rubber Keypad For display.  4)Trackball PC Board for display. 5) CRT Deflection Yoke for the display. 6)Modulator Board for 1931/1941 antenna. 7) IF Amplifier PC Board for the 1931/1941 antenna. 8) I/O PC Board for the 1931/1941 antenna. 9)Motor Drive PC Board for the 1931/1941 antenna.  Winning bidder needs to pay $28 shipping to the lower 48 US States. Bidders from all other areas need to request their freight charge before bidding.