Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.07.2008 beginning time = 1362 min.(UT), 22:42 UT Xbegin = -2.628 nT time of max = 1377 min.(UT), 22:57 UT Xmax = 5.620 nT Y at Xmax = 2.390 nT endtime = 1409 min.(UT), 23:29 UT Xend = -2.530 nT amplitude = 8.248 nT base duration time = 47 min. 2sigma = 2.971 nT duration at 2sigma = 18 min. flagbegin = 0 flagend = 0 flagxcheck = 0