Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.04.2016 beginning time = 1150 min.(UT), 19:10 UT Xbegin = -10.242 nT time of max = 1178 min.(UT), 19:38 UT Xmax = 17.156 nT Y at Xmax = 6.346 nT endtime = 1226 min.(UT), 20:26 UT Xend = -18.320 nT amplitude = 27.398 nT base duration time = 76 min. 2sigma = 9.334 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0 flagxcheck = 0