Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.01.2008 beginning time = 1266 min.(UT), 21: 6 UT Xbegin = -17.494 nT time of max = 1332 min.(UT), 22:12 UT Xmax = 11.686 nT Y at Xmax = 4.940 nT endtime = 1370 min.(UT), 22:50 UT Xend = -18.712 nT amplitude = 29.180 nT base duration time =104 min. 2sigma = 12.507 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0