Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 24.11.2009 beginning time = 1070 min.(UT), 17:50 UT Xbegin = -8.866 nT time of max = 1099 min.(UT), 18:19 UT Xmax = 14.626 nT Y at Xmax = 11.566 nT endtime = 1128 min.(UT), 18:48 UT Xend = -6.056 nT amplitude = 23.492 nT base duration time = 58 min. 2sigma = 6.420 nT duration at 2sigma = 25 min. flagbegin = 0 flagend = 0 flagxcheck = 0