Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.11.2012 beginning time = 1291 min.(UT), 21:31 UT Xbegin = -5.778 nT time of max = 1375 min.(UT), 22:55 UT Xmax = 11.150 nT Y at Xmax = -6.456 nT endtime = 1424 min.(UT), 23:44 UT Xend = -20.536 nT amplitude = 16.928 nT base duration time =133 min. 2sigma = 10.717 nT duration at 2sigma = 5 min. flagbegin = 4 flagend = 0 flagxcheck = 0