Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 12.08.2015 beginning time = 1280 min.(UT), 21:20 UT Xbegin = -3.196 nT time of max = 1314 min.(UT), 21:55 UT Xmax = 8.306 nT Y at Xmax = 7.866 nT endtime = 1359 min.(UT), 22:39 UT Xend = -11.352 nT amplitude = 11.502 nT base duration time = 79 min. 2sigma = 6.694 nT duration at 2sigma = 5 min. flagbegin = 0 flagend = 0