Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.02.2013 beginning time = 1289 min.(UT), 21:29 UT Xbegin = -3.704 nT time of max = 1319 min.(UT), 21:59 UT Xmax = 5.300 nT Y at Xmax = 2.062 nT endtime = 1359 min.(UT), 22:39 UT Xend = -1.906 nT amplitude = 9.004 nT base duration time = 70 min. 2sigma = 4.135 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0 flagxcheck = 0