Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.11.2013 beginning time = 1386 min.(UT), 23: 6 UT Xbegin = -10.526 nT time of max = 1440 min.(UT), 24: 0 UT Xmax = 5.494 nT Y at Xmax = 0.376 nT endtime = 1488 min.(UT), 24:48 UT Xend = -2.960 nT amplitude = 16.020 nT base duration time =102 min. 2sigma = 5.691 nT duration at 2sigma = 0 min. flagbegin = 4 flagend = 0 flagxcheck = 1