Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 06.10.2007 beginning time = 1336 min.(UT), 22:16 UT Xbegin = -4.944 nT time of max = 1365 min.(UT), 22:45 UT Xmax = 5.522 nT Y at Xmax = -1.670 nT endtime = 1410 min.(UT), 23:30 UT Xend = -1.836 nT amplitude = 10.466 nT base duration time = 74 min. 2sigma = 2.786 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0