Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.02.2010 beginning time = 1230 min.(UT), 20:30 UT Xbegin = -3.230 nT time of max = 1251 min.(UT), 20:51 UT Xmax = 4.982 nT Y at Xmax = 1.000 nT endtime = 1303 min.(UT), 21:43 UT Xend = -3.030 nT amplitude = 8.212 nT base duration time = 73 min. 2sigma = 2.065 nT duration at 2sigma = 24 min. flagbegin = 0 flagend = 0 flagxcheck = 0