AIPS HELP file for REFREQ in 31DEC20
As of Thu Jul 9 21:23:27 2020
Type: Adverb (Scalar)
Use: Specifies the frequency to be used for the reference
Null value: 0 -> found from the data
HOLOG....Read & process holography visibility data to telescope
images. REFREQ is the reference in GHz.
SOUSP....Fits source spectral index from SU table or adverbs.
REFREQ specifies the reference in GHz, 0 -> 1 GHz,
< 0 -> data header frequency
SPIXR....Fits spectral indexes to each row of an image incl
curvature. REFREQ specifies the reference in GHz,
0 -> 1 GHz, < 0 -> data header frequency