Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 21.08.2016 beginning time = 1265 min.(UT), 21: 5 UT Xbegin = -3.126 nT time of max = 1303 min.(UT), 21:43 UT Xmax = 8.376 nT Y at Xmax = 4.596 nT endtime = 1342 min.(UT), 22:22 UT Xend = -2.574 nT amplitude = 11.502 nT base duration time = 77 min. 2sigma = 5.248 nT duration at 2sigma = 21 min. flagbegin = 0 flagend = 0 flagxcheck = 0