Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 14.08.2013 beginning time = 1272 min.(UT), 21:12 UT Xbegin = -5.348 nT time of max = 1304 min.(UT), 21:44 UT Xmax = 10.194 nT Y at Xmax = 1.850 nT endtime = 1374 min.(UT), 22:54 UT Xend = -10.602 nT amplitude = 15.542 nT base duration time =102 min. 2sigma = 5.203 nT duration at 2sigma = 23 min. flagbegin = 0 flagend = 4 flagxcheck = 0