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 = 1309 min.(UT), 21:49 UT Xbegin = -9.788 nT time of max = 1354 min.(UT), 22:34 UT Xmax = 7.432 nT Y at Xmax = -4.612 nT endtime = 1369 min.(UT), 22:49 UT Xend = -0.340 nT amplitude = 17.220 nT base duration time = 60 min. 2sigma = 9.745 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0