Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 19.10.2007 beginning time = 1241 min.(UT), 20:41 UT Xbegin = -9.120 nT time of max = 1262 min.(UT), 21: 2 UT Xmax = 13.680 nT Y at Xmax = -11.272 nT endtime = 1298 min.(UT), 21:38 UT Xend = -3.000 nT amplitude = 22.800 nT base duration time = 57 min. 2sigma = 6.495 nT duration at 2sigma = 18 min. flagbegin = 0 flagend = 0 flagxcheck = 0