Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.03.2015 beginning time = 1148 min.(UT), 19: 8 UT Xbegin = -7.022 nT time of max = 1174 min.(UT), 19:34 UT Xmax = 16.566 nT Y at Xmax = 15.218 nT endtime = 1209 min.(UT), 20: 9 UT Xend = -9.986 nT amplitude = 23.588 nT base duration time = 61 min. 2sigma = 19.041 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0