Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.03.2010 beginning time = 1261 min.(UT), 21: 1 UT Xbegin = -3.210 nT time of max = 1295 min.(UT), 21:35 UT Xmax = 13.300 nT Y at Xmax = 1.078 nT endtime = 1329 min.(UT), 22: 9 UT Xend = -6.786 nT amplitude = 16.510 nT base duration time = 68 min. 2sigma = 5.710 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0