Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 14.07.2011 beginning time = 1358 min.(UT), 22:38 UT Xbegin = -2.780 nT time of max = 1397 min.(UT), 23:17 UT Xmax = 5.954 nT Y at Xmax = -2.470 nT endtime = 1431 min.(UT), 23:51 UT Xend = -3.106 nT amplitude = 8.734 nT base duration time = 73 min. 2sigma = 4.258 nT duration at 2sigma = 15 min. flagbegin = 0 flagend = 0 flagxcheck = 0