Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.11.2010 beginning time = 1148 min.(UT), 19: 8 UT Xbegin = -5.000 nT time of max = 1187 min.(UT), 19:47 UT Xmax = 5.838 nT Y at Xmax = 11.112 nT endtime = 1212 min.(UT), 20:12 UT Xend = -2.958 nT amplitude = 10.838 nT base duration time = 64 min. 2sigma = 3.377 nT duration at 2sigma = 17 min. flagbegin = 0 flagend = 0 flagxcheck = 0