On 9/9/15 7:08 AM, Al Kossow wrote:
The Blue Cube (Satellite Control Center) had a bunch of them as "Bird Buffers" Likely in Sunnyvale in support of that.
http://bitsavers.org/pdf/sdc/scf/TM-1146_Augmented_Satellite_Control_Facility_System_Description_Apr63.pdf is an early description of the system. It moved from a 1604 to six 3800s and one 160A for every satellite tracking center as of a report dated 1971
