January 3, 2006
ALMA Prototype Antenna Evaluation OverviewEvaluation Overview
11
API5D Measurements
±Laser Interferometer
±Measures 5D Displacement
±Accuracy:
°Device: 0.2 mm/m
°Enclosed System: < 1 mm
°Exposed System: Few mm
NOTE: Did not measure L1 on AEC antenna (safety concerns).
NOTE: Did not measure L4 on either antenna (difficulty).