Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.02.2011 beginning time = 1132 min.(UT), 18:52 UT Xbegin = -7.858 nT time of max = 1168 min.(UT), 19:28 UT Xmax = 11.906 nT Y at Xmax = 4.320 nT endtime = 1207 min.(UT), 20: 7 UT Xend = -5.612 nT amplitude = 19.764 nT base duration time = 75 min. 2sigma = 7.704 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0