Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.01.2007 beginning time = 1113 min.(UT), 18:33 UT Xbegin = -3.880 nT time of max = 1127 min.(UT), 18:47 UT Xmax = 5.442 nT Y at Xmax = 0.610 nT endtime = 1147 min.(UT), 19: 7 UT Xend = -3.910 nT amplitude = 9.322 nT base duration time = 34 min. 2sigma = 2.038 nT duration at 2sigma = 13 min. flagbegin = 0 flagend = 0 flagxcheck = 0