Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.10.2008 beginning time = 1268 min.(UT), 21: 8 UT Xbegin = -9.428 nT time of max = 1309 min.(UT), 21:49 UT Xmax = 6.252 nT Y at Xmax = -2.916 nT endtime = 1346 min.(UT), 22:26 UT Xend = -1.538 nT amplitude = 15.680 nT base duration time = 78 min. 2sigma = 18.212 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0