Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.02.2007 beginning time = 1282 min.(UT), 21:22 UT Xbegin = -5.880 nT time of max = 1321 min.(UT), 22: 1 UT Xmax = 10.812 nT Y at Xmax = -0.278 nT endtime = 1354 min.(UT), 22:34 UT Xend = -4.636 nT amplitude = 16.692 nT base duration time = 72 min. 2sigma = 5.030 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0