Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.05.2017 beginning time = 1194 min.(UT), 19:54 UT Xbegin = 0.648 nT time of max = 1215 min.(UT), 20:15 UT Xmax = 8.768 nT Y at Xmax = 1.218 nT endtime = 1254 min.(UT), 20:54 UT Xend = -7.536 nT amplitude = 8.120 nT base duration time = 60 min. 2sigma = 4.709 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0