Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.06.2011 beginning time = 1387 min.(UT), 23: 7 UT Xbegin = -7.278 nT time of max = 1419 min.(UT), 23:39 UT Xmax = 7.162 nT Y at Xmax = -6.032 nT endtime = 1460 min.(UT), 24:20 UT Xend = -3.862 nT amplitude = 14.440 nT base duration time = 73 min. 2sigma = 8.131 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0