Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 02.07.2011 beginning time = 1390 min.(UT), 23:10 UT Xbegin = -9.114 nT time of max = 1409 min.(UT), 23:29 UT Xmax = 8.856 nT Y at Xmax = -3.310 nT endtime = 1434 min.(UT), 23:54 UT Xend = -1.660 nT amplitude = 17.970 nT base duration time = 44 min. 2sigma = 3.125 nT duration at 2sigma = 21 min. flagbegin = 0 flagend = 0 flagxcheck = 0