Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 04.09.2017
 
 beginning time = 1272 min.(UT), 21:12 UT
 Xbegin =         -5.182 nT
 time of max =    1326 min.(UT), 22: 6 UT
 Xmax =           12.254 nT
 Y at Xmax =       7.364 nT
 endtime =        1377 min.(UT), 22:57 UT
 Xend =          -17.966 nT
 amplitude =      17.436 nT
 base duration time =105 min.
 2sigma =          8.322 nT
 duration at 2sigma = 12 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0