Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 29.10.2007 beginning time = 1068 min.(UT), 17:48 UT Xbegin = -8.106 nT time of max = 1116 min.(UT), 18:36 UT Xmax = 10.646 nT Y at Xmax = 2.334 nT endtime = 1145 min.(UT), 19: 5 UT Xend = 0.786 nT amplitude = 18.752 nT base duration time = 77 min. 2sigma = 12.493 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0