Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.05.2015 beginning time = 1366 min.(UT), 22:46 UT Xbegin = 0.782 nT time of max = 1376 min.(UT), 22:56 UT Xmax = 5.464 nT Y at Xmax = -0.380 nT endtime = 1389 min.(UT), 23: 9 UT Xend = -2.612 nT amplitude = 4.682 nT base duration time = 23 min. 2sigma = 5.432 nT duration at 2sigma = 1 min. flagbegin = 0 flagend = 0