Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.03.2012 beginning time = 1209 min.(UT), 20: 9 UT Xbegin = -17.430 nT time of max = 1244 min.(UT), 20:44 UT Xmax = 19.300 nT Y at Xmax = 15.046 nT endtime = 1272 min.(UT), 21:12 UT Xend = -2.580 nT amplitude = 36.730 nT base duration time = 63 min. 2sigma = 14.925 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0 flagxcheck = 0