Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 06.07.2007 beginning time = 1214 min.(UT), 20:14 UT Xbegin = -4.856 nT time of max = 1234 min.(UT), 20:34 UT Xmax = 7.452 nT Y at Xmax = -1.508 nT endtime = 1275 min.(UT), 21:15 UT Xend = -1.128 nT amplitude = 12.308 nT base duration time = 61 min. 2sigma = 3.471 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 0 flagxcheck = 0