Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.01.2011 beginning time = 1121 min.(UT), 18:41 UT Xbegin = -1.314 nT time of max = 1151 min.(UT), 19:11 UT Xmax = 10.946 nT Y at Xmax = 7.800 nT endtime = 1202 min.(UT), 20: 2 UT Xend = -7.932 nT amplitude = 12.260 nT base duration time = 81 min. 2sigma = 5.622 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0