Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.02.2013 beginning time = 1147 min.(UT), 19: 7 UT Xbegin = 1.544 nT time of max = 1166 min.(UT), 19:26 UT Xmax = 7.980 nT Y at Xmax = 4.268 nT endtime = 1203 min.(UT), 20: 3 UT Xend = -4.614 nT amplitude = 6.436 nT base duration time = 56 min. 2sigma = 5.229 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 0 flagxcheck = 0