Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.08.2010 beginning time = 1324 min.(UT), 22: 4 UT Xbegin = -3.128 nT time of max = 1371 min.(UT), 22:51 UT Xmax = 5.890 nT Y at Xmax = 1.978 nT endtime = 1422 min.(UT), 23:42 UT Xend = -5.336 nT amplitude = 9.018 nT base duration time = 98 min. 2sigma = 2.710 nT duration at 2sigma = 25 min. flagbegin = 0 flagend = 0 flagxcheck = 0