Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.03.2011 beginning time = 1062 min.(UT), 17:42 UT Xbegin = -12.036 nT time of max = 1090 min.(UT), 18:10 UT Xmax = 15.050 nT Y at Xmax = 3.946 nT endtime = 1141 min.(UT), 19: 1 UT Xend = -8.580 nT amplitude = 27.086 nT base duration time = 79 min. 2sigma = 9.857 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0