Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 04.10.2016 beginning time = 1134 min.(UT), 18:54 UT Xbegin = -10.392 nT time of max = 1187 min.(UT), 19:47 UT Xmax = 11.704 nT Y at Xmax = 0.216 nT endtime = 1215 min.(UT), 20:15 UT Xend = -5.888 nT amplitude = 22.096 nT base duration time = 81 min. 2sigma = 9.100 nT duration at 2sigma = 13 min. flagbegin = 0 flagend = 0 flagxcheck = 0