Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.03.2012 beginning time = 1413 min.(UT), 23:33 UT Xbegin = -0.512 nT time of max = 1435 min.(UT), 23:55 UT Xmax = 8.592 nT Y at Xmax = -6.038 nT endtime = 1467 min.(UT), 24:27 UT Xend = -0.128 nT amplitude = 9.104 nT base duration time = 54 min. 2sigma = 5.734 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 0 flagxcheck = 1