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 = 1253 min.(UT), 20:53 UT Xbegin = -8.924 nT time of max = 1304 min.(UT), 21:44 UT Xmax = 13.442 nT Y at Xmax = -3.108 nT endtime = 1341 min.(UT), 22:21 UT Xend = -7.938 nT amplitude = 22.366 nT base duration time = 88 min. 2sigma = 9.857 nT duration at 2sigma = 16 min. flagbegin = 4 flagend = 0 flagxcheck = 0