Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.11.2008 beginning time = 1325 min.(UT), 22: 5 UT Xbegin = -7.662 nT time of max = 1362 min.(UT), 22:42 UT Xmax = 9.780 nT Y at Xmax = -2.786 nT endtime = 1409 min.(UT), 23:29 UT Xend = -6.374 nT amplitude = 17.442 nT base duration time = 84 min. 2sigma = 4.997 nT duration at 2sigma = 21 min. flagbegin = 0 flagend = 0 flagxcheck = 0