Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.02.2015 beginning time = 1286 min.(UT), 21:26 UT Xbegin = -6.906 nT time of max = 1333 min.(UT), 22:13 UT Xmax = 6.848 nT Y at Xmax = 7.884 nT endtime = 1377 min.(UT), 22:57 UT Xend = -3.028 nT amplitude = 13.754 nT base duration time = 91 min. 2sigma = 5.592 nT duration at 2sigma = 9 min. flagbegin = 4 flagend = 0