Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.07.2017 beginning time = 1380 min.(UT), 23: 0 UT Xbegin = -7.228 nT time of max = 1398 min.(UT), 23:18 UT Xmax = 16.054 nT Y at Xmax = -12.708 nT endtime = 1470 min.(UT), 24:30 UT Xend = -9.868 nT amplitude = 23.282 nT base duration time = 90 min. 2sigma = 7.427 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0