Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.10.2007 beginning time = 1070 min.(UT), 17:50 UT Xbegin = -3.552 nT time of max = 1088 min.(UT), 18: 8 UT Xmax = 10.688 nT Y at Xmax = -1.456 nT endtime = 1151 min.(UT), 19:11 UT Xend = -8.086 nT amplitude = 14.240 nT base duration time = 81 min. 2sigma = 7.695 nT duration at 2sigma = 17 min. flagbegin = 0 flagend = 0 flagxcheck = 0