Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.02.2017 beginning time = 1281 min.(UT), 21:21 UT Xbegin = -3.396 nT time of max = 1302 min.(UT), 21:42 UT Xmax = 6.174 nT Y at Xmax = -1.616 nT endtime = 1323 min.(UT), 22: 3 UT Xend = 1.866 nT amplitude = 9.570 nT base duration time = 42 min. 2sigma = 5.624 nT duration at 2sigma = 4 min. flagbegin = 0 flagend = 0 flagxcheck = 0