Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.03.2011 beginning time = 1201 min.(UT), 20: 1 UT Xbegin = -11.880 nT time of max = 1237 min.(UT), 20:37 UT Xmax = 8.262 nT Y at Xmax = -2.696 nT endtime = 1285 min.(UT), 21:25 UT Xend = -5.180 nT amplitude = 20.142 nT base duration time = 84 min. 2sigma = 8.595 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0