Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.01.2017 beginning time = 1378 min.(UT), 22:58 UT Xbegin = -5.846 nT time of max = 1425 min.(UT), 23:45 UT Xmax = 5.444 nT Y at Xmax = -1.394 nT endtime = 1487 min.(UT), 24:47 UT Xend = -2.908 nT amplitude = 11.290 nT base duration time =109 min. 2sigma = 3.910 nT duration at 2sigma = 16 min. flagbegin = 0 flagend = 0 flagxcheck = 0