Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.11.2007 beginning time = 1111 min.(UT), 18:31 UT Xbegin = -13.530 nT time of max = 1135 min.(UT), 18:55 UT Xmax = 14.760 nT Y at Xmax = 0.440 nT endtime = 1182 min.(UT), 19:42 UT Xend = -11.190 nT amplitude = 28.290 nT base duration time = 71 min. 2sigma = 10.310 nT duration at 2sigma = 12 min. flagbegin = 0 flagend = 0 flagxcheck = 0