Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.01.2013 beginning time = 1331 min.(UT), 22:11 UT Xbegin = -13.372 nT time of max = 1355 min.(UT), 22:35 UT Xmax = 13.030 nT Y at Xmax = -6.462 nT endtime = 1380 min.(UT), 23: 0 UT Xend = -0.488 nT amplitude = 26.402 nT base duration time = 49 min. 2sigma = 6.110 nT duration at 2sigma = 17 min. flagbegin = 0 flagend = 0 flagxcheck = 0