Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.01.2007 beginning time = 1248 min.(UT), 20:48 UT Xbegin = -5.934 nT time of max = 1280 min.(UT), 21:20 UT Xmax = 10.836 nT Y at Xmax = -0.368 nT endtime = 1309 min.(UT), 21:49 UT Xend = -9.788 nT amplitude = 16.770 nT base duration time = 61 min. 2sigma = 9.745 nT duration at 2sigma = 6 min. flagbegin = 0 flagend = 0 flagxcheck = 0