Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.07.2017 beginning time = 1378 min.(UT), 22:58 UT Xbegin = -3.830 nT time of max = 1416 min.(UT), 23:36 UT Xmax = 7.814 nT Y at Xmax = -4.678 nT endtime = 1431 min.(UT), 23:51 UT Xend = 0.888 nT amplitude = 11.644 nT base duration time = 53 min. 2sigma = 4.327 nT duration at 2sigma = 15 min. flagbegin = 0 flagend = 0 flagxcheck = 0