Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.02.2010 beginning time = 1300 min.(UT), 21:40 UT Xbegin = -2.972 nT time of max = 1336 min.(UT), 22:16 UT Xmax = 7.892 nT Y at Xmax = 11.112 nT endtime = 1368 min.(UT), 22:48 UT Xend = -7.636 nT amplitude = 10.864 nT base duration time = 68 min. 2sigma = 5.661 nT duration at 2sigma = 25 min. flagbegin = 0 flagend = 0 flagxcheck = 0