Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.03.2017 beginning time = 1365 min.(UT), 22:45 UT Xbegin = 2.646 nT time of max = 1383 min.(UT), 23: 3 UT Xmax = 7.970 nT Y at Xmax = -2.862 nT endtime = 1440 min.(UT), 24: 0 UT Xend = -13.944 nT amplitude = 5.324 nT base duration time = 75 min. 2sigma = 20.616 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0