Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.06.2011 beginning time = 1264 min.(UT), 21: 4 UT Xbegin = -6.892 nT time of max = 1312 min.(UT), 21:52 UT Xmax = 8.350 nT Y at Xmax = -7.760 nT endtime = 1368 min.(UT), 22:48 UT Xend = -2.808 nT amplitude = 15.242 nT base duration time =104 min. 2sigma = 6.791 nT duration at 2sigma = 9 min. flagbegin = 0 flagend = 0 flagxcheck = 0