Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.10.2008 beginning time = 1257 min.(UT), 20:57 UT Xbegin = -3.698 nT time of max = 1297 min.(UT), 21:37 UT Xmax = 8.110 nT Y at Xmax = -3.530 nT endtime = 1361 min.(UT), 22:41 UT Xend = -5.454 nT amplitude = 11.808 nT base duration time =104 min. 2sigma = 4.264 nT duration at 2sigma = 3 min. flagbegin = 0 flagend = 0 flagxcheck = 0