Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.03.2010 beginning time = 1344 min.(UT), 22:24 UT Xbegin = -6.928 nT time of max = 1372 min.(UT), 22:52 UT Xmax = 12.438 nT Y at Xmax = -3.800 nT endtime = 1414 min.(UT), 23:34 UT Xend = -5.492 nT amplitude = 19.366 nT base duration time = 70 min. 2sigma = 4.270 nT duration at 2sigma = 31 min. flagbegin = 0 flagend = 0 flagxcheck = 0