Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.11.2007 beginning time = 1209 min.(UT), 20: 9 UT Xbegin = -11.756 nT time of max = 1245 min.(UT), 20:45 UT Xmax = 9.482 nT Y at Xmax = 1.036 nT endtime = 1276 min.(UT), 21:16 UT Xend = -1.078 nT amplitude = 21.238 nT base duration time = 67 min. 2sigma = 6.875 nT duration at 2sigma = 21 min. flagbegin = 0 flagend = 0 flagxcheck = 0