Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.03.2008 beginning time = 1301 min.(UT), 21:41 UT Xbegin = -12.520 nT time of max = 1354 min.(UT), 22:34 UT Xmax = 19.638 nT Y at Xmax = -3.830 nT endtime = 1399 min.(UT), 23:19 UT Xend = -18.100 nT amplitude = 32.158 nT base duration time = 98 min. 2sigma = 13.725 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0