Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.02.2018 beginning time = 1313 min.(UT), 21:53 UT Xbegin = 0.778 nT time of max = 1351 min.(UT), 22:31 UT Xmax = 8.614 nT Y at Xmax = -2.940 nT endtime = 1387 min.(UT), 23: 7 UT Xend = -6.474 nT amplitude = 7.836 nT base duration time = 74 min. 2sigma = 5.959 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0