Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.10.2008 beginning time = 1295 min.(UT), 21:35 UT Xbegin = -6.902 nT time of max = 1316 min.(UT), 21:56 UT Xmax = 9.708 nT Y at Xmax = 0.334 nT endtime = 1344 min.(UT), 22:24 UT Xend = -3.476 nT amplitude = 16.610 nT base duration time = 49 min. 2sigma = 6.243 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 0 flagxcheck = 0