READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 40280.457 1764.441 -4188.513 5.611867e-03 3.682548e-03 -2.619892e-03 0.177740 3.166242e-04 3.608267e-05 1.620138 4 0.335014 1058.080600 3.485269 2.142022