Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.03.2013 beginning time = 1406 min.(UT), 23:26 UT Xbegin = -6.152 nT time of max = 1449 min.(UT), 24: 9 UT Xmax = 12.809 nT Y at Xmax = -1.430 nT endtime = 1494 min.(UT), 24:54 UT Xend = -10.534 nT amplitude = 18.961 nT base duration time = 88 min. 2sigma = 4.908 nT duration at 2sigma = 33 min. flagbegin = 0 flagend = 0 flagxcheck = 1