Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 12.03.2010 beginning time = 1233 min.(UT), 20:33 UT Xbegin = -0.038 nT time of max = 1255 min.(UT), 20:55 UT Xmax = 5.286 nT Y at Xmax = 2.036 nT endtime = 1283 min.(UT), 21:23 UT Xend = -2.210 nT amplitude = 5.324 nT base duration time = 50 min. 2sigma = 5.137 nT duration at 2sigma = 4 min. flagbegin = 0 flagend = 0 flagxcheck = 0