CLIC\VARIABLES POSITION ON|OFF
Source related information (Scan based).
SOURCE Source name
LAMBDA Source longitude-like coordinate (radians)
BETA Source latitude-like coordinate (radians)
OFF_LAMBDA Offset in lambda (radians)
OFF_BETA Offset in beta (radians)
EPOCH Epoch of coordinates (if equatorial)
PROJECTION Projection used for offsets
FOCUS Focus position used
FLUX Source flux (Jy) for calibrators
SPIDX Source spectral index for calibrators
TYPE_COORD Type of coordinates