Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.04.2014 beginning time = 1108 min.(UT), 18:28 UT Xbegin = -2.608 nT time of max = 1133 min.(UT), 18:53 UT Xmax = 6.204 nT Y at Xmax = 7.842 nT endtime = 1159 min.(UT), 19:19 UT Xend = -4.744 nT amplitude = 8.812 nT base duration time = 51 min. 2sigma = 5.743 nT duration at 2sigma = 5 min. flagbegin = 0 flagend = 2 flagxcheck = 0