Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.03.2012 beginning time = 1383 min.(UT), 23: 3 UT Xbegin = -12.770 nT time of max = 1406 min.(UT), 23:26 UT Xmax = 17.964 nT Y at Xmax = -3.196 nT endtime = 1451 min.(UT), 24:11 UT Xend = -2.144 nT amplitude = 30.734 nT base duration time = 68 min. 2sigma = 8.735 nT duration at 2sigma = 39 min. flagbegin = 0 flagend = 0 flagxcheck = 0