Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 24.01.2011 beginning time = 1398 min.(UT), 23:18 UT Xbegin = -6.120 nT time of max = 1430 min.(UT), 23:50 UT Xmax = 10.746 nT Y at Xmax = 2.648 nT endtime = 1489 min.(UT), 24:49 UT Xend = -6.106 nT amplitude = 16.866 nT base duration time = 91 min. 2sigma = 3.863 nT duration at 2sigma = 32 min. flagbegin = 0 flagend = 2 flagxcheck = 1