Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.06.2010 beginning time = 1287 min.(UT), 21:27 UT Xbegin = -3.738 nT time of max = 1307 min.(UT), 21:47 UT Xmax = 10.040 nT Y at Xmax = 0.828 nT endtime = 1349 min.(UT), 22:29 UT Xend = -3.018 nT amplitude = 13.778 nT base duration time = 62 min. 2sigma = 5.584 nT duration at 2sigma = 18 min. flagbegin = 0 flagend = 0 flagxcheck = 0