Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.02.2015 beginning time = 1045 min.(UT), 17:25 UT Xbegin = -6.362 nT time of max = 1074 min.(UT), 17:54 UT Xmax = 14.648 nT Y at Xmax = -0.236 nT endtime = 1159 min.(UT), 19:19 UT Xend = -13.730 nT amplitude = 21.010 nT base duration time =114 min. 2sigma = 7.799 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 4