Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.11.2007 beginning time = 1305 min.(UT), 21:45 UT Xbegin = -3.300 nT time of max = 1333 min.(UT), 22:13 UT Xmax = 6.362 nT Y at Xmax = -1.866 nT endtime = 1419 min.(UT), 23:39 UT Xend = -14.606 nT amplitude = 9.662 nT base duration time =114 min. 2sigma = 10.310 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0