Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.09.2012 beginning time = 1216 min.(UT), 20:16 UT Xbegin = -11.994 nT time of max = 1270 min.(UT), 21:10 UT Xmax = 9.846 nT Y at Xmax = 4.242 nT endtime = 1307 min.(UT), 21:47 UT Xend = -3.108 nT amplitude = 21.840 nT base duration time = 91 min. 2sigma = 6.439 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 0 flagxcheck = 0