Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.03.2012 beginning time = 1178 min.(UT), 19:38 UT Xbegin = -7.808 nT time of max = 1203 min.(UT), 20: 3 UT Xmax = 22.582 nT Y at Xmax = -2.358 nT endtime = 1258 min.(UT), 20:58 UT Xend = -12.334 nT amplitude = 30.390 nT base duration time = 80 min. 2sigma = 9.682 nT duration at 2sigma = 32 min. flagbegin = 0 flagend = 0 flagxcheck = 0