Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.01.2008 beginning time = 1403 min.(UT), 23:23 UT Xbegin = -7.890 nT time of max = 1420 min.(UT), 23:40 UT Xmax = 8.850 nT Y at Xmax = -13.524 nT endtime = 1466 min.(UT), 24:26 UT Xend = -2.952 nT amplitude = 16.740 nT base duration time = 63 min. 2sigma = 4.703 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 0 flagxcheck = 0