Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.07.2011 beginning time = 1192 min.(UT), 19:52 UT Xbegin = -4.230 nT time of max = 1210 min.(UT), 20:10 UT Xmax = 10.918 nT Y at Xmax = 6.482 nT endtime = 1250 min.(UT), 20:50 UT Xend = -6.268 nT amplitude = 15.148 nT base duration time = 58 min. 2sigma = 6.445 nT duration at 2sigma = 24 min. flagbegin = 0 flagend = 0 flagxcheck = 0