Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.03.2011 beginning time = 1314 min.(UT), 21:54 UT Xbegin = -14.882 nT time of max = 1363 min.(UT), 22:43 UT Xmax = 12.232 nT Y at Xmax = -2.692 nT endtime = 1401 min.(UT), 23:21 UT Xend = -6.268 nT amplitude = 27.114 nT base duration time = 87 min. 2sigma = 8.240 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 0 flagxcheck = 0