Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.07.2012 beginning time = 1242 min.(UT), 20:42 UT Xbegin = -10.874 nT time of max = 1311 min.(UT), 21:51 UT Xmax = 27.426 nT Y at Xmax = -10.040 nT endtime = 1334 min.(UT), 22:14 UT Xend = -9.286 nT amplitude = 38.300 nT base duration time = 92 min. 2sigma = 16.643 nT duration at 2sigma = 14 min. flagbegin = 4 flagend = 0 flagxcheck = 1