Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.11.2007 beginning time = 1193 min.(UT), 19:53 UT Xbegin = -7.308 nT time of max = 1218 min.(UT), 20:18 UT Xmax = 5.092 nT Y at Xmax = 1.258 nT endtime = 1230 min.(UT), 20:30 UT Xend = -1.318 nT amplitude = 12.400 nT base duration time = 37 min. 2sigma = 3.687 nT duration at 2sigma = 10 min. flagbegin = 0 flagend = 0 flagxcheck = 0