Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.01.2013 beginning time = 1328 min.(UT), 22: 8 UT Xbegin = -8.496 nT time of max = 1365 min.(UT), 22:45 UT Xmax = 9.604 nT Y at Xmax = 6.916 nT endtime = 1390 min.(UT), 23:10 UT Xend = -2.796 nT amplitude = 18.100 nT base duration time = 62 min. 2sigma = 6.806 nT duration at 2sigma = 17 min. flagbegin = 0 flagend = 0 flagxcheck = 0