Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 02.10.2011 beginning time = 1249 min.(UT), 20:49 UT Xbegin = -12.268 nT time of max = 1279 min.(UT), 21:19 UT Xmax = 12.174 nT Y at Xmax = -1.610 nT endtime = 1324 min.(UT), 22: 4 UT Xend = -6.130 nT amplitude = 24.442 nT base duration time = 75 min. 2sigma = 6.626 nT duration at 2sigma = 31 min. flagbegin = 2 flagend = 0 flagxcheck = 0