Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.11.2010 beginning time = 1199 min.(UT), 19:59 UT Xbegin = -1.046 nT time of max = 1218 min.(UT), 20:18 UT Xmax = 5.456 nT Y at Xmax = 6.618 nT endtime = 1248 min.(UT), 20:48 UT Xend = -4.222 nT amplitude = 6.502 nT base duration time = 49 min. 2sigma = 3.572 nT duration at 2sigma = 14 min. flagbegin = 0 flagend = 0 flagxcheck = 0