Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 12.02.2010 beginning time = 1244 min.(UT), 20:44 UT Xbegin = -1.338 nT time of max = 1270 min.(UT), 21:10 UT Xmax = 6.472 nT Y at Xmax = 0.408 nT endtime = 1299 min.(UT), 21:39 UT Xend = -0.878 nT amplitude = 7.810 nT base duration time = 55 min. 2sigma = 3.204 nT duration at 2sigma = 15 min. flagbegin = 0 flagend = 0 flagxcheck = 0