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 = 1349 min.(UT), 22:29 UT Xbegin = -5.186 nT time of max = 1381 min.(UT), 23: 1 UT Xmax = 5.422 nT Y at Xmax = 0.516 nT endtime = 1452 min.(UT), 24:12 UT Xend = -5.792 nT amplitude = 10.608 nT base duration time =103 min. 2sigma = 10.663 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0