Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.10.2012 beginning time = 1250 min.(UT), 20:50 UT Xbegin = -3.864 nT time of max = 1290 min.(UT), 21:30 UT Xmax = 11.618 nT Y at Xmax = -7.246 nT endtime = 1308 min.(UT), 21:48 UT Xend = -4.602 nT amplitude = 15.482 nT base duration time = 58 min. 2sigma = 10.663 nT duration at 2sigma = 5 min. flagbegin = 0 flagend = 0 flagxcheck = 0