MULTIPLY

        LAS\MULTIPLY Fact

    Multiply  the  R  Observation by Fact. MULTIPLY leaves the T Observation
    unaffected. Note that Tsys is also multiplied  by  the  same  (absolute)
    factor to keep proper weights. If only the data is to be multiplied, use
    the SIC\LET command on array RY:
        SIC\LET RY Fact*RY