Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.02.2017 beginning time = 1266 min.(UT), 21: 6 UT Xbegin = -3.822 nT time of max = 1301 min.(UT), 21:41 UT Xmax = 9.204 nT Y at Xmax = -0.532 nT endtime = 1342 min.(UT), 22:22 UT Xend = -6.892 nT amplitude = 13.026 nT base duration time = 76 min. 2sigma = 4.680 nT duration at 2sigma = 34 min. flagbegin = 0 flagend = 0 flagxcheck = 0