Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.06.2011 beginning time = 1298 min.(UT), 21:38 UT Xbegin = -5.274 nT time of max = 1321 min.(UT), 22: 1 UT Xmax = 13.786 nT Y at Xmax = 0.070 nT endtime = 1383 min.(UT), 23: 3 UT Xend = -16.860 nT amplitude = 19.060 nT base duration time = 85 min. 2sigma = 7.732 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 2 flagxcheck = 0