Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 02.04.2013 beginning time = 1325 min.(UT), 22: 5 UT Xbegin = -4.552 nT time of max = 1340 min.(UT), 22:20 UT Xmax = 7.466 nT Y at Xmax = -1.268 nT endtime = 1404 min.(UT), 23:24 UT Xend = -3.540 nT amplitude = 12.018 nT base duration time = 79 min. 2sigma = 2.954 nT duration at 2sigma = 31 min. flagbegin = 0 flagend = 2 flagxcheck = 0