Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 09.06.2012 beginning time = 1331 min.(UT), 22:11 UT Xbegin = -3.834 nT time of max = 1379 min.(UT), 22:59 UT Xmax = 5.158 nT Y at Xmax = 1.758 nT endtime = 1392 min.(UT), 23:12 UT Xend = -1.314 nT amplitude = 8.992 nT base duration time = 61 min. 2sigma = 4.026 nT duration at 2sigma = 9 min. flagbegin = 0 flagend = 0 flagxcheck = 0