Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 29.03.2008 beginning time = 1226 min.(UT), 20:26 UT Xbegin = -7.246 nT time of max = 1257 min.(UT), 20:57 UT Xmax = 7.814 nT Y at Xmax = -8.952 nT endtime = 1291 min.(UT), 21:31 UT Xend = -3.412 nT amplitude = 15.060 nT base duration time = 65 min. 2sigma = 4.677 nT duration at 2sigma = 12 min. flagbegin = 0 flagend = 0 flagxcheck = 0