Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.01.2012 beginning time = 1149 min.(UT), 19: 9 UT Xbegin = -8.628 nT time of max = 1189 min.(UT), 19:49 UT Xmax = 11.754 nT Y at Xmax = -5.942 nT endtime = 1244 min.(UT), 20:44 UT Xend = -12.354 nT amplitude = 20.382 nT base duration time = 95 min. 2sigma = 6.277 nT duration at 2sigma = 35 min. flagbegin = 0 flagend = 0 flagxcheck = 0