Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 19.03.2012 beginning time = 1301 min.(UT), 21:41 UT Xbegin = -4.466 nT time of max = 1322 min.(UT), 22: 2 UT Xmax = 17.488 nT Y at Xmax = 1.224 nT endtime = 1371 min.(UT), 22:51 UT Xend = -9.348 nT amplitude = 21.954 nT base duration time = 70 min. 2sigma = 7.369 nT duration at 2sigma = 30 min. flagbegin = 0 flagend = 2 flagxcheck = 0