Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.08.2015 beginning time = 1335 min.(UT), 22:15 UT Xbegin = 0.854 nT time of max = 1376 min.(UT), 22:52 UT Xmax = 13.892 nT Y at Xmax = 0.494 nT endtime = 1428 min.(UT), 23:48 UT Xend = -19.950 nT amplitude = 13.038 nT base duration time = 93 min. 2sigma = 14.321 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0