Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.03.2015 beginning time = 1151 min.(UT), 19:11 UT Xbegin = -5.252 nT time of max = 1178 min.(UT), 19:37 UT Xmax = 12.078 nT Y at Xmax = 0.412 nT endtime = 1224 min.(UT), 20:24 UT Xend = -3.076 nT amplitude = 17.330 nT base duration time = 73 min. 2sigma = 11.059 nT duration at 2sigma = 7 min. flagbegin = 0 flagend = 0