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 = 1201 min.(UT), 20: 1 UT Xbegin = -8.690 nT time of max = 1252 min.(UT), 20:51 UT Xmax = 7.652 nT Y at Xmax = 3.510 nT endtime = 1286 min.(UT), 21:26 UT Xend = -6.906 nT amplitude = 16.342 nT base duration time = 85 min. 2sigma = 5.592 nT duration at 2sigma = 12 min. flagbegin = 0 flagend = 0