January 3, 2006
ALMA Prototype Antenna Evaluation OverviewEvaluation Overview
9
Optical Pointing Telescope
±NRAO Design
±4-inch Refractor
±Rolled-Invar Tube
±COTS CCD/Frame Grabber
¥Designed and built by Antenna Group in Tucson.
¥Based on OPT used on NRAO 12m.