Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.01.2008 beginning time = 1116 min.(UT), 18:36 UT Xbegin = -13.538 nT time of max = 1156 min.(UT), 19:16 UT Xmax = 4.690 nT Y at Xmax = 7.086 nT endtime = 1179 min.(UT), 19:39 UT Xend = -4.466 nT amplitude = 18.228 nT base duration time = 63 min. 2sigma = 4.647 nT duration at 2sigma = 1 min. flagbegin = 0 flagend = 0 flagxcheck = 0