Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.02.2010 beginning time = 1206 min.(UT), 20: 6 UT Xbegin = -2.476 nT time of max = 1254 min.(UT), 20:54 UT Xmax = 5.746 nT Y at Xmax = -0.776 nT endtime = 1308 min.(UT), 21:48 UT Xend = -3.664 nT amplitude = 8.222 nT base duration time =102 min. 2sigma = 3.371 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 0 flagxcheck = 0