Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.01.2013 beginning time = 1214 min.(UT), 20:14 UT Xbegin = -5.460 nT time of max = 1234 min.(UT), 20:34 UT Xmax = 9.012 nT Y at Xmax = -3.770 nT endtime = 1244 min.(UT), 20:44 UT Xend = 0.942 nT amplitude = 14.472 nT base duration time = 30 min. 2sigma = 6.110 nT duration at 2sigma = 7 min. flagbegin = 0 flagend = 0 flagxcheck = 0