Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.02.2017 beginning time = 1255 min.(UT), 20:55 UT Xbegin = -10.032 nT time of max = 1288 min.(UT), 21:28 UT Xmax = 9.644 nT Y at Xmax = 5.982 nT endtime = 1356 min.(UT), 22:36 UT Xend = 0.552 nT amplitude = 19.676 nT base duration time =101 min. 2sigma = 10.743 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 4 flagxcheck = 0