Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.02.2017 beginning time = 1114 min.(UT), 18:34 UT Xbegin = -11.844 nT time of max = 1146 min.(UT), 19: 6 UT Xmax = 18.898 nT Y at Xmax = 5.898 nT endtime = 1193 min.(UT), 19:53 UT Xend = -4.970 nT amplitude = 30.742 nT base duration time = 79 min. 2sigma = 6.944 nT duration at 2sigma = 32 min. flagbegin = 0 flagend = 0 flagxcheck = 0