Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 12.10.2008 beginning time = 1252 min.(UT), 20:52 UT Xbegin = -12.876 nT time of max = 1283 min.(UT), 21:23 UT Xmax = 13.710 nT Y at Xmax = 0.986 nT endtime = 1321 min.(UT), 22: 1 UT Xend = -7.300 nT amplitude = 26.586 nT base duration time = 69 min. 2sigma = 8.983 nT duration at 2sigma = 25 min. flagbegin = 0 flagend = 0 flagxcheck = 0