Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.03.2007 beginning time = 1272 min.(UT), 21:12 UT Xbegin = -18.204 nT time of max = 1298 min.(UT), 21:38 UT Xmax = 17.932 nT Y at Xmax = -5.874 nT endtime = 1351 min.(UT), 22:31 UT Xend = -7.328 nT amplitude = 36.136 nT base duration time = 79 min. 2sigma = 7.414 nT duration at 2sigma = 34 min. flagbegin = 0 flagend = 0 flagxcheck = 0