Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.01.2010 beginning time = 1235 min.(UT), 20:35 UT Xbegin = -12.306 nT time of max = 1260 min.(UT), 21: 0 UT Xmax = 13.482 nT Y at Xmax = 5.732 nT endtime = 1316 min.(UT), 21:56 UT Xend = -5.590 nT amplitude = 25.788 nT base duration time = 81 min. 2sigma = 5.107 nT duration at 2sigma = 35 min. flagbegin = 0 flagend = 0 flagxcheck = 0