Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.06.2010 beginning time = 1271 min.(UT), 21:11 UT Xbegin = -7.692 nT time of max = 1304 min.(UT), 21:44 UT Xmax = 6.732 nT Y at Xmax = 2.838 nT endtime = 1338 min.(UT), 22:18 UT Xend = -2.742 nT amplitude = 14.424 nT base duration time = 67 min. 2sigma = 5.821 nT duration at 2sigma = 11 min. flagbegin = 0 flagend = 0 flagxcheck = 0