Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.01.2011 beginning time = 1212 min.(UT), 20:12 UT Xbegin = -7.724 nT time of max = 1260 min.(UT), 21: 0 UT Xmax = 6.890 nT Y at Xmax = 5.774 nT endtime = 1277 min.(UT), 21:17 UT Xend = 2.456 nT amplitude = 14.614 nT base duration time = 65 min. 2sigma = 4.182 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0 flagxcheck = 0