Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.03.2013 beginning time = 1385 min.(UT), 23: 5 UT Xbegin = -4.416 nT time of max = 1407 min.(UT), 23:27 UT Xmax = 8.080 nT Y at Xmax = -2.556 nT endtime = 1447 min.(UT), 24: 7 UT Xend = -4.650 nT amplitude = 12.496 nT base duration time = 62 min. 2sigma = 3.314 nT duration at 2sigma = 34 min. flagbegin = 0 flagend = 0 flagxcheck = 0