%year,Day,Kx (Range 0),O1 (nT),Counts @ O,Ky (Range 0),O2 (nT),Counts @ O,Kz (Range 0), O3 (nT),Counts @ O 2018 335.5 0.0146328 22.2 -1514 0.0144910 -17.3 1191 0.0142581 -30.1 2110 2018 336.5 0.0146328 22.2 -1514 0.0144910 -17.3 1191 0.0142581 -29.8 2088 2018 337.5 0.0146328 22.2 -1520 0.0144910 -17.1 1182 0.0142581 -30.0 2101 2018 338.5 0.0146328 22.2 -1517 0.0144910 -17.1 1182 0.0142581 -30.0 2102 2018 339.5 0.0146328 22.2 -1514 0.0144910 -17.1 1182 0.0142581 -30.0 2103 2018 340.5 0.0146328 22.1 -1512 0.0144910 -17.1 1183 0.0142581 -30.0 2103 2018 341.5 0.0146328 22.1 -1510 0.0144910 -17.1 1183 0.0142581 -30.0 2105 2018 342.5 0.0146328 22.0 -1507 0.0144910 -17.1 1183 0.0142581 -30.0 2105 2018 343.5 0.0146328 22.2 -1516 0.0144910 -17.5 1211 0.0142581 -30.2 2117 2018 344.5 0.0146328 22.3 -1525 0.0144910 -17.3 1195 0.0142581 -30.3 2128 2018 345.5 0.0146328 22.5 -1535 0.0144910 -17.1 1179 0.0142581 -30.5 2140 2018 346.5 0.0146328 22.5 -1534 0.0144910 -17.1 1179 0.0142581 -30.4 2132 2018 347.5 0.0146328 22.4 -1534 0.0144910 -17.1 1181 0.0142581 -30.3 2125 2018 348.5 0.0146328 22.4 -1532 0.0144910 -17.1 1182 0.0142581 -30.2 2117 2018 349.5 0.0146328 22.4 -1531 0.0144910 -17.1 1183 0.0142581 -30.1 2110 2018 350.5 0.0146328 22.4 -1531 0.0144910 -17.2 1184 0.0142581 -30.0 2103 2018 351.5 0.0146328 22.5 -1537 0.0144910 -17.0 1172 0.0142581 -30.0 2103 2018 352.5 0.0146328 22.5 -1541 0.0144910 -17.1 1177 0.0142581 -30.0 2103 2018 353.5 0.0146328 22.6 -1545 0.0144910 -17.1 1179 0.0142581 -30.0 2102 2018 354.5 0.0146328 22.2 -1519 0.0144910 -17.3 1195 0.0142581 -30.0 2102 2018 355.5 0.0146328 22.3 -1524 0.0144910 -17.3 1192 0.0142581 -30.0 2104 2018 356.5 0.0146328 22.4 -1529 0.0144910 -17.3 1191 0.0142581 -30.0 2106 2018 357.5 0.0146328 22.4 -1534 0.0144910 -17.2 1189 0.0142581 -30.1 2108 2018 358.5 0.0146328 22.5 -1538 0.0144910 -17.2 1187 0.0142581 -30.1 2110 2018 359.5 0.0146328 22.5 -1538 0.0144910 -17.0 1170 0.0142581 -30.0 2103 2018 360.5 0.0146328 22.5 -1537 0.0144910 -17.2 1184 0.0142581 -29.9 2097 2018 361.5 0.0146328 22.5 -1538 0.0144910 -16.9 1169 0.0142581 -30.2 2116 2018 362.5 0.0146328 22.5 -1540 0.0144910 -17.3 1195 0.0142581 -30.2 2116 2018 363.5 0.0146328 22.5 -1536 0.0144910 -17.3 1192 0.0142581 -30.1 2108 2018 364.5 0.0146328 22.4 -1534 0.0144910 -17.2 1188 0.0142581 -29.9 2100 2018 365.5 0.0146328 22.4 -1531 0.0144910 -17.2 1186 0.0142581 -29.8 2092 Note: The raw magnetic field B(nT) to Counts conversion are based on the scale factor table from the document STEREO/IMPACT Magnetometer Experiment Preliminary Report (11/15/05) by Dr. Mario H. Acuna (NASA) B (nT) = K(x,y,z) * (32768 - Counts) Howerer, the code in the MAG idl routine have already dealed with the center data around zero issue, therefore, Counts = -B/K The offsets O1, O2 and O3 are to be subtracted to any values converted to nominal B(nT) The "Counts @ O" should be subtracted for all Range 0 data in counts to center data around zero.