READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 87727.450 8823.503 -9331.031 2.191823e-03 9.335899e-04 -7.459878e-04 0.268207 2.192126e-04 1.163460e-05 1.345313 9 1.067385 4869.176600 4.720924 2.938148