READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 32427.666 4011.787 -3863.358 2.970624e-03 1.371719e-03 -1.063071e-03 0.379511 1.460025e-04 1.225226e-05 1.352576 7 0.436358 2988.701600 179.244607 2.794381