Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.05.2010 beginning time = 1304 min.(UT), 21:44 UT Xbegin = -5.832 nT time of max = 1325 min.(UT), 22: 5 UT Xmax = 8.752 nT Y at Xmax = 2.540 nT endtime = 1361 min.(UT), 22:41 UT Xend = -3.572 nT amplitude = 14.584 nT base duration time = 57 min. 2sigma = 3.242 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0