Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.10.2007 beginning time = 1137 min.(UT), 18:57 UT Xbegin = -3.200 nT time of max = 1163 min.(UT), 19:23 UT Xmax = 5.070 nT Y at Xmax = 2.240 nT endtime = 1183 min.(UT), 19:43 UT Xend = -2.166 nT amplitude = 8.270 nT base duration time = 46 min. 2sigma = 3.041 nT duration at 2sigma = 14 min. flagbegin = 0 flagend = 0 flagxcheck = 0