Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.07.2015 beginning time = 1146 min.(UT), 19: 6 UT Xbegin = -13.104 nT time of max = 1171 min.(UT), 19:31 UT Xmax = 36.388 nT Y at Xmax = -16.676 nT endtime = 1226 min.(UT), 20:26 UT Xend = -10.570 nT amplitude = 49.492 nT base duration time = 80 min. 2sigma = 13.763 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 0