Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 08.04.2017 beginning time = 1367 min.(UT), 22:47 UT Xbegin = -20.440 nT time of max = 1403 min.(UT), 23:23 UT Xmax = 19.846 nT Y at Xmax = -8.934 nT endtime = 1443 min.(UT), 24: 3 UT Xend = -4.981 nT amplitude = 40.286 nT base duration time = 76 min. 2sigma = 10.873 nT duration at 2sigma = 25 min. flagbegin = 0 flagend = 0 flagxcheck = 0