Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 06.04.2010 beginning time = 1364 min.(UT), 22:44 UT Xbegin = 0.510 nT time of max = 1374 min.(UT), 22:54 UT Xmax = 5.616 nT Y at Xmax = 2.202 nT endtime = 1421 min.(UT), 23:41 UT Xend = -15.640 nT amplitude = 5.106 nT base duration time = 57 min. 2sigma = 15.230 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0