Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.03.2015 beginning time = 1143 min.(UT), 19: 3 UT Xbegin = -26.114 nT time of max = 1190 min.(UT), 19:50 UT Xmax = 18.702 nT Y at Xmax = -25.204 nT endtime = 1215 min.(UT), 20:15 UT Xend = -15.236 nT amplitude = 44.816 nT base duration time = 72 min. 2sigma = 32.469 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0