Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.08.2017 beginning time = 1259 min.(UT), 20:59 UT Xbegin = -2.690 nT time of max = 1305 min.(UT), 21:45 UT Xmax = 6.400 nT Y at Xmax = -5.036 nT endtime = 1359 min.(UT), 22:39 UT Xend = -5.890 nT amplitude = 9.090 nT base duration time =100 min. 2sigma = 2.951 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 0 flagxcheck = 0