Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.11.2010 beginning time = 1130 min.(UT), 18:50 UT Xbegin = -3.200 nT time of max = 1146 min.(UT), 19: 6 UT Xmax = 4.808 nT Y at Xmax = 3.304 nT endtime = 1205 min.(UT), 20: 5 UT Xend = -2.840 nT amplitude = 8.008 nT base duration time = 75 min. 2sigma = 1.858 nT duration at 2sigma = 33 min. flagbegin = 0 flagend = 2 flagxcheck = 0