Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.03.2012 beginning time = 1289 min.(UT), 21:29 UT Xbegin = -19.500 nT time of max = 1317 min.(UT), 21:57 UT Xmax = 16.118 nT Y at Xmax = 1.000 nT endtime = 1390 min.(UT), 23:10 UT Xend = -10.620 nT amplitude = 35.618 nT base duration time =101 min. 2sigma = 9.224 nT duration at 2sigma = 42 min. flagbegin = 0 flagend = 0 flagxcheck = 0