Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.02.2017 beginning time = 1385 min.(UT), 23: 5 UT Xbegin = -10.064 nT time of max = 1451 min.(UT), 24:11 UT Xmax = 5.858 nT Y at Xmax = 2.698 nT endtime = 1482 min.(UT), 24:42 UT Xend = -4.340 nT amplitude = 15.922 nT base duration time = 97 min. 2sigma = 9.926 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 1