Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.05.2012 beginning time = 1320 min.(UT), 22: 0 UT Xbegin = -13.128 nT time of max = 1377 min.(UT), 22:57 UT Xmax = 9.130 nT Y at Xmax = 7.448 nT endtime = 1393 min.(UT), 23:13 UT Xend = 1.378 nT amplitude = 22.258 nT base duration time = 73 min. 2sigma = 9.575 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0