Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 04.07.2015 beginning time = 1376 min.(UT), 22:56 UT Xbegin = 2.646 nT time of max = 1393 min.(UT), 23: 4 UT Xmax = 9.868 nT Y at Xmax = -18.624 nT endtime = 1428 min.(UT), 23:48 UT Xend = -14.708 nT amplitude = 7.222 nT base duration time = 52 min. 2sigma = 10.452 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0