Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.03.2017 beginning time = 1066 min.(UT), 17:46 UT Xbegin = -11.790 nT time of max = 1094 min.(UT), 18:14 UT Xmax = 19.946 nT Y at Xmax = 11.734 nT endtime = 1177 min.(UT), 19:37 UT Xend = -17.588 nT amplitude = 31.736 nT base duration time =111 min. 2sigma = 11.886 nT duration at 2sigma = 21 min. flagbegin = 0 flagend = 4 flagxcheck = 0