Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.10.2010 beginning time = 1219 min.(UT), 20:19 UT Xbegin = -5.650 nT time of max = 1242 min.(UT), 20:42 UT Xmax = 6.800 nT Y at Xmax = 0.832 nT endtime = 1281 min.(UT), 21:21 UT Xend = -1.384 nT amplitude = 12.450 nT base duration time = 62 min. 2sigma = 5.387 nT duration at 2sigma = 8 min. flagbegin = 0 flagend = 0 flagxcheck = 0