Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.02.2008 beginning time = 1321 min.(UT), 22: 1 UT Xbegin = -10.142 nT time of max = 1347 min.(UT), 22:27 UT Xmax = 20.612 nT Y at Xmax = 3.730 nT endtime = 1400 min.(UT), 23:20 UT Xend = -14.570 nT amplitude = 30.754 nT base duration time = 79 min. 2sigma = 10.393 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0 flagxcheck = 0