Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 21.09.2017
 
 beginning time = 1320 min.(UT), 22: 0 UT
 Xbegin =         -8.290 nT
 time of max =    1377 min.(UT), 22:57 UT
 Xmax =            7.332 nT
 Y at Xmax =      -3.940 nT
 endtime =        1399 min.(UT), 23:19 UT
 Xend =           -2.770 nT
 amplitude =      15.622 nT
 base duration time = 79 min.
 2sigma =          3.798 nT
 duration at 2sigma = 27 min.
 flagbegin = 4
 flagend =   0
 flagxcheck = 0