This directory contains 4 subdirectories each of which contains
engineering data associated with the OMAG and OEFD datasets.

DATA/PHASEOFF/ORB4700 contains data for orbits 4751-4799
DATA/PHASEOFF/ORB4800 contains data for orbits 4800-4899
DATA/PHASEOFF/ORB4900 contains data for orbits 4900-4999
DATA/PHASEOFF/ORB5000 contains data for orbits 5000-5055