Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.03.2011 beginning time = 1327 min.(UT), 22: 7 UT Xbegin = -13.948 nT time of max = 1387 min.(UT), 23: 7 UT Xmax = 8.290 nT Y at Xmax = 2.182 nT endtime = 1420 min.(UT), 23:40 UT Xend = -8.594 nT amplitude = 22.238 nT base duration time = 93 min. 2sigma = 8.595 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0