Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.03.2010 beginning time = 1293 min.(UT), 21:33 UT Xbegin = -10.008 nT time of max = 1339 min.(UT), 22:19 UT Xmax = 7.298 nT Y at Xmax = -2.260 nT endtime = 1369 min.(UT), 22:49 UT Xend = -0.502 nT amplitude = 17.306 nT base duration time = 76 min. 2sigma = 4.458 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0