Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.10.2011 beginning time = 1329 min.(UT), 22: 9 UT Xbegin = -5.256 nT time of max = 1356 min.(UT), 22:36 UT Xmax = 7.562 nT Y at Xmax = -3.386 nT endtime = 1411 min.(UT), 23:31 UT Xend = -4.142 nT amplitude = 12.818 nT base duration time = 82 min. 2sigma = 4.130 nT duration at 2sigma = 25 min. flagbegin = 0 flagend = 0 flagxcheck = 0