READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 5473.028 592.926 -781.074 1.808743e-02 4.233966e-03 -4.233966e-03 1.000000 2.747715e-04 3.774277e-05 1.334525 19 0.377536 1374.000400 359.100914 4.271984