Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.02.2018 beginning time = 1369 min.(UT), 22:49 UT Xbegin = -4.262 nT time of max = 1407 min.(UT), 23:27 UT Xmax = 7.964 nT Y at Xmax = 0.316 nT endtime = 1470 min.(UT), 24:30 UT Xend = -5.654 nT amplitude = 12.226 nT base duration time =101 min. 2sigma = 6.768 nT duration at 2sigma = 15 min. flagbegin = 0 flagend = 0 flagxcheck = 0