Example

ICL> ast2qdp time_series_a time.qdp
% cat time.qdp
READ SERR 2
LABEL X "MJD"
LABEL Y "Intensity (count/s)"
45001.2  2.34 0.04
45002.1  1.22 0.07
45003.0  0.05 0.12
45003.9  1.45 0.11
45004.8  1.37 0.04
...