Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 02.05.2010 beginning time = 1100 min.(UT), 18:20 UT Xbegin = -11.766 nT time of max = 1134 min.(UT), 18:54 UT Xmax = 24.146 nT Y at Xmax = -13.026 nT endtime = 1191 min.(UT), 19:51 UT Xend = -17.924 nT amplitude = 35.912 nT base duration time = 91 min. 2sigma = 17.066 nT duration at 2sigma = 16 min. flagbegin = 0 flagend = 4 flagxcheck = 0