Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.01.2007 beginning time = 1265 min.(UT), 21: 5 UT Xbegin = -3.892 nT time of max = 1295 min.(UT), 21:35 UT Xmax = 6.912 nT Y at Xmax = 1.150 nT endtime = 1327 min.(UT), 22: 7 UT Xend = -3.726 nT amplitude = 10.804 nT base duration time = 62 min. 2sigma = 2.345 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0 flagxcheck = 0