Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.10.2007 beginning time = 1093 min.(UT), 18:13 UT Xbegin = -0.950 nT time of max = 1107 min.(UT), 18:27 UT Xmax = 9.546 nT Y at Xmax = 12.266 nT endtime = 1133 min.(UT), 18:53 UT Xend = -0.972 nT amplitude = 10.496 nT base duration time = 40 min. 2sigma = 3.523 nT duration at 2sigma = 17 min. flagbegin = 0 flagend = 0 flagxcheck = 0