Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.01.2011 beginning time = 1137 min.(UT), 18:57 UT Xbegin = -6.138 nT time of max = 1169 min.(UT), 19:29 UT Xmax = 7.574 nT Y at Xmax = 2.196 nT endtime = 1192 min.(UT), 19:52 UT Xend = -2.234 nT amplitude = 13.712 nT base duration time = 55 min. 2sigma = 3.626 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 0 flagxcheck = 0