Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.02.2013 beginning time = 1121 min.(UT), 18:41 UT Xbegin = -7.080 nT time of max = 1152 min.(UT), 19:12 UT Xmax = 9.526 nT Y at Xmax = 3.404 nT endtime = 1212 min.(UT), 20:12 UT Xend = -2.992 nT amplitude = 16.606 nT base duration time = 91 min. 2sigma = 4.135 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 0 flagxcheck = 0