Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 14.07.2007 beginning time = 1057 min.(UT), 17:37 UT Xbegin = -19.258 nT time of max = 1091 min.(UT), 18:11 UT Xmax = 24.410 nT Y at Xmax = 16.348 nT endtime = 1135 min.(UT), 18:55 UT Xend = -12.840 nT amplitude = 43.668 nT base duration time = 78 min. 2sigma = 11.183 nT duration at 2sigma = 38 min. flagbegin = 0 flagend = 0 flagxcheck = 0