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 = 1313 min.(UT), 21:53 UT Xbegin = 0.872 nT time of max = 1339 min.(UT), 22:19 UT Xmax = 7.782 nT Y at Xmax = -1.578 nT endtime = 1358 min.(UT), 22:38 UT Xend = -3.270 nT amplitude = 6.910 nT base duration time = 45 min. 2sigma = 9.334 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0