Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.02.2008 beginning time = 1198 min.(UT), 19:58 UT Xbegin = -8.914 nT time of max = 1242 min.(UT), 20:42 UT Xmax = 7.878 nT Y at Xmax = -5.898 nT endtime = 1285 min.(UT), 21:25 UT Xend = -5.338 nT amplitude = 16.792 nT base duration time = 87 min. 2sigma = 5.730 nT duration at 2sigma = 24 min. flagbegin = 0 flagend = 0 flagxcheck = 0