Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 31.01.2016 beginning time = 1298 min.(UT), 21:38 UT Xbegin = -10.420 nT time of max = 1331 min.(UT), 22:11 UT Xmax = 27.994 nT Y at Xmax = -1.636 nT endtime = 1385 min.(UT), 23: 5 UT Xend = -16.882 nT amplitude = 38.414 nT base duration time = 87 min. 2sigma = 9.883 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0