At 11:24 AM 3/6/2010, C.Whitaker wrote: >The GRC-32 was the ARC-27 used on the ground, Wasn't the GRC-27 also a ground version? Had two of them in our Transmitter room aboard ship 1959 and later period. (DDR-829 USS Myles C Fox) I'm sure most Radar Picket tin cans had them also. Perry