Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 02.10.2007 beginning time = 1387 min.(UT), 23: 7 UT Xbegin = -12.556 nT time of max = 1438 min.(UT), 23:58 UT Xmax = 17.510 nT Y at Xmax = -4.332 nT endtime = 1473 min.(UT), 24:33 UT Xend = -8.356 nT amplitude = 30.890 nT base duration time = 86 min. 2sigma = 6.069 nT duration at 2sigma = 36 min. flagbegin = 2 flagend = 0 flagxcheck = 0