Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.02.2011 beginning time = 1252 min.(UT), 20:52 UT Xbegin = -4.748 nT time of max = 1274 min.(UT), 21:14 UT Xmax = 5.274 nT Y at Xmax = 0.960 nT endtime = 1294 min.(UT), 21:34 UT Xend = -0.560 nT amplitude = 10.022 nT base duration time = 42 min. 2sigma = 4.771 nT duration at 2sigma = 6 min. flagbegin = 0 flagend = 0 flagxcheck = 0