Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.06.2012 beginning time = 1273 min.(UT), 21:13 UT Xbegin = -14.868 nT time of max = 1302 min.(UT), 21:42 UT Xmax = 11.592 nT Y at Xmax = -5.574 nT endtime = 1320 min.(UT), 22: 0 UT Xend = 1.882 nT amplitude = 26.460 nT base duration time = 47 min. 2sigma = 8.825 nT duration at 2sigma = 17 min. flagbegin = 4 flagend = 0 flagxcheck = 0