Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.09.2010 beginning time = 1392 min.(UT), 23:12 UT Xbegin = -1.962 nT time of max = 1414 min.(UT), 23:34 UT Xmax = 6.708 nT Y at Xmax = -2.248 nT endtime = 1440 min.(UT), 24: 0 UT Xend = -4.432 nT amplitude = 8.670 nT base duration time = 48 min. 2sigma = 4.127 nT duration at 2sigma = 16 min. flagbegin = 0 flagend = 0 flagxcheck = 0