Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 06.04.2008 beginning time = 1368 min.(UT), 22:48 UT Xbegin = -4.812 nT time of max = 1393 min.(UT), 23:13 UT Xmax = 6.208 nT Y at Xmax = -10.284 nT endtime = 1425 min.(UT), 23:45 UT Xend = -3.574 nT amplitude = 11.020 nT base duration time = 57 min. 2sigma = 7.097 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0