Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.06.2013 beginning time = 1264 min.(UT), 21: 4 UT Xbegin = -8.890 nT time of max = 1318 min.(UT), 21:58 UT Xmax = 7.768 nT Y at Xmax = -2.266 nT endtime = 1392 min.(UT), 23:12 UT Xend = -15.270 nT amplitude = 16.658 nT base duration time =128 min. 2sigma = 7.461 nT duration at 2sigma = 3 min. flagbegin = 0 flagend = 4 flagxcheck = 0