Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.06.2012 beginning time = 1190 min.(UT), 19:50 UT Xbegin = -13.384 nT time of max = 1227 min.(UT), 20:27 UT Xmax = 14.686 nT Y at Xmax = -1.556 nT endtime = 1253 min.(UT), 20:53 UT Xend = -11.864 nT amplitude = 28.070 nT base duration time = 63 min. 2sigma = 12.206 nT duration at 2sigma = 11 min. flagbegin = 0 flagend = 0 flagxcheck = 0