To produce a power spectrum of a datafile and extend the low frequencies by a factor of four and the high freqs. to twice Nyquist.
ICL> LOMBSCAR LOMBSCAR Version 1.5-1 INPUT - Input datafile > LTIME *Variance not present in input datafile* Using 12 of the 16 input data values OFAC - Oversampling factor > 4 HIFAC - High frequency factor > 2 Peak found at 0.23 of amplitude 3.224 and error 0.623 Graphics device type (? to see list): VWS OUTPUT - Output datafile > POW