Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.04.2013 beginning time = 1156 min.(UT), 19:16 UT Xbegin = 2.036 nT time of max = 1178 min.(UT), 19:38 UT Xmax = 7.202 nT Y at Xmax = 2.956 nT endtime = 1203 min.(UT), 20: 3 UT Xend = -6.282 nT amplitude = 5.166 nT base duration time = 47 min. 2sigma = 6.829 nT duration at 2sigma = 4 min. flagbegin = 0 flagend = 0 flagxcheck = 0