Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 06.02.2011 beginning time = 1134 min.(UT), 18:54 UT Xbegin = -4.072 nT time of max = 1159 min.(UT), 19:19 UT Xmax = 6.892 nT Y at Xmax = 7.952 nT endtime = 1179 min.(UT), 19:39 UT Xend = -0.964 nT amplitude = 10.964 nT base duration time = 45 min. 2sigma = 6.428 nT duration at 2sigma = 8 min. flagbegin = 0 flagend = 0 flagxcheck = 0