Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.03.2013 beginning time = 1420 min.(UT), 23:40 UT Xbegin = -6.252 nT time of max = 1440 min.(UT), 24: 0 UT Xmax = 8.932 nT Y at Xmax = -2.260 nT endtime = 1512 min.(UT), 25:12 UT Xend = -2.756 nT amplitude = 15.184 nT base duration time = 92 min. 2sigma = 2.760 nT duration at 2sigma = 36 min. flagbegin = 0 flagend = 0 flagxcheck = 0