Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.01.2011 beginning time = 1162 min.(UT), 19:22 UT Xbegin = -2.224 nT time of max = 1185 min.(UT), 19:45 UT Xmax = 9.178 nT Y at Xmax = 9.138 nT endtime = 1209 min.(UT), 20: 9 UT Xend = -1.814 nT amplitude = 11.402 nT base duration time = 47 min. 2sigma = 3.477 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0