Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.03.2017 beginning time = 1346 min.(UT), 22:26 UT Xbegin = -10.760 nT time of max = 1379 min.(UT), 22:59 UT Xmax = 10.224 nT Y at Xmax = -9.040 nT endtime = 1412 min.(UT), 23:32 UT Xend = -2.278 nT amplitude = 20.984 nT base duration time = 66 min. 2sigma = 4.512 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0