Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 31.05.2016 beginning time = 1243 min.(UT), 20:43 UT Xbegin = -3.384 nT time of max = 1273 min.(UT), 21:13 UT Xmax = 6.168 nT Y at Xmax = 1.976 nT endtime = 1312 min.(UT), 21:52 UT Xend = -5.274 nT amplitude = 9.552 nT base duration time = 69 min. 2sigma = 5.937 nT duration at 2sigma = 3 min. flagbegin = 0 flagend = 0 flagxcheck = 0