Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.08.2015 beginning time = 1231 min.(UT), 20:31 UT Xbegin = -5.310 nT time of max = 1270 min.(UT), 21: 8 UT Xmax = 8.362 nT Y at Xmax = -10.250 nT endtime = 1312 min.(UT), 21:52 UT Xend = -8.716 nT amplitude = 13.672 nT base duration time = 81 min. 2sigma = 14.485 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0