Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.02.2017 beginning time = 1135 min.(UT), 18:55 UT Xbegin = -4.906 nT time of max = 1192 min.(UT), 19:52 UT Xmax = 6.596 nT Y at Xmax = 1.632 nT endtime = 1228 min.(UT), 20:28 UT Xend = -5.842 nT amplitude = 11.502 nT base duration time = 93 min. 2sigma = 9.926 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 2