Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.11.2007 beginning time = 1372 min.(UT), 22:52 UT Xbegin = -1.564 nT time of max = 1397 min.(UT), 23:17 UT Xmax = 5.392 nT Y at Xmax = -2.750 nT endtime = 1451 min.(UT), 24:11 UT Xend = -5.756 nT amplitude = 6.956 nT base duration time = 79 min. 2sigma = 3.687 nT duration at 2sigma = 32 min. flagbegin = 0 flagend = 0 flagxcheck = 0