Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.02.2015 beginning time = 1265 min.(UT), 21: 5 UT Xbegin = -5.910 nT time of max = 1287 min.(UT), 21:26 UT Xmax = 5.904 nT Y at Xmax = 1.286 nT endtime = 1332 min.(UT), 22:12 UT Xend = -0.936 nT amplitude = 11.814 nT base duration time = 67 min. 2sigma = 2.750 nT duration at 2sigma = 6 min. flagbegin = 0 flagend = 0