Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.07.2012 beginning time = 1255 min.(UT), 20:55 UT Xbegin = -2.824 nT time of max = 1299 min.(UT), 21:39 UT Xmax = 6.718 nT Y at Xmax = 1.806 nT endtime = 1348 min.(UT), 22:28 UT Xend = -7.358 nT amplitude = 9.542 nT base duration time = 93 min. 2sigma = 4.229 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0