Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 14.09.2008 beginning time = 1272 min.(UT), 21:12 UT Xbegin = -4.410 nT time of max = 1292 min.(UT), 21:32 UT Xmax = 19.438 nT Y at Xmax = -14.206 nT endtime = 1304 min.(UT), 21:44 UT Xend = -3.574 nT amplitude = 23.848 nT base duration time = 32 min. 2sigma = 5.401 nT duration at 2sigma = 14 min. flagbegin = 0 flagend = 0 flagxcheck = 0