Quad 1: Located after the HE Faraday Cup.
Quad 2: Located at the entrance to the Switcher Magnet.
Quad 3: Located on beam lines 30L, 15L, 23R, 45R, and 65R. User must select beam line.
Quad 4: Located on beam lines 23R and 45R. User must selct beam line.
To save all the quadrupole values in a file: