Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.06.2011 beginning time = 1377 min.(UT), 22:57 UT Xbegin = -4.468 nT time of max = 1424 min.(UT), 23:44 UT Xmax = 8.172 nT Y at Xmax = -2.490 nT endtime = 1463 min.(UT), 24:23 UT Xend = -4.536 nT amplitude = 12.640 nT base duration time = 86 min. 2sigma = 4.744 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0