July 26, 2006
ALMA Pointing
10
Accelerometer System
±10 Endevco Model 86 Seismic Accelerometers
±2/3 Axis Configuration
±Sensitivity over 0.1 to 30 Hz (10 to 0.03 sec) with accuracy several mm to 10 nm
±Extended to 0.001 Hz (15 minutes) using wind power spectrum extrapolation
±Coupled with Sonic Anemometer Measurements