Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.10.2015 beginning time = 1285 min.(UT), 21:25 UT Xbegin = -11.890 nT time of max = 1342 min.(UT), 22:21 UT Xmax = 12.702 nT Y at Xmax = 1.870 nT endtime = 1365 min.(UT), 22:45 UT Xend = -0.100 nT amplitude = 24.592 nT base duration time = 80 min. 2sigma = 7.253 nT duration at 2sigma = 18 min. flagbegin = 0 flagend = 0