SOFTWARE CHANGES

SSramp.m, approximately 4/99
   Comments on lines 1 and 3 erroneously referred to "step."  Change references to "ramp."

Open2c4.m, approximately 5/00
    definition of "r" corrected in comment  and displayed line (old lines 13 and 14).  
    "G" defined in added line 4.

Open2cls.m, approximately 5/00
   definition of "r" corrected in comment (line 17) and displayed line (line 19).

NLPhP, NLPhx, NLsaw, NLPhN, approximately 8/04
   The phase value displayed for shift due to sampling was high by 2*pi. In each case, "SampPhShift = .5*WL*OutInc/SmpPerOut;" now has replaced "SampPhShift = pi*WL*OutInc/SmpPerOut;". This was an information display and does not directly affect results.