Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.09.2014 beginning time = 1384 min.(UT), 23: 4 UT Xbegin = -8.906 nT time of max = 1427 min.(UT), 23:47 UT Xmax = 8.456 nT Y at Xmax = -4.596 nT endtime = 1463 min.(UT), 24:23 UT Xend = 1.044 nT amplitude = 17.362 nT base duration time = 79 min. 2sigma = 4.224 nT duration at 2sigma = 32 min. flagbegin = 0 flagend = 0 flagxcheck = 0