Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.02.2018 beginning time = 1269 min.(UT), 21: 9 UT Xbegin = -11.574 nT time of max = 1316 min.(UT), 21:56 UT Xmax = 7.968 nT Y at Xmax = -2.010 nT endtime = 1391 min.(UT), 23:11 UT Xend = -2.972 nT amplitude = 19.542 nT base duration time =122 min. 2sigma = 10.096 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 4 flagxcheck = 1