Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.06.2010 beginning time = 1143 min.(UT), 19: 3 UT Xbegin = -6.674 nT time of max = 1158 min.(UT), 19:18 UT Xmax = 8.078 nT Y at Xmax = 3.036 nT endtime = 1211 min.(UT), 20:11 UT Xend = -3.950 nT amplitude = 14.752 nT base duration time = 68 min. 2sigma = 5.584 nT duration at 2sigma = 10 min. flagbegin = 0 flagend = 4 flagxcheck = 0