Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 28.09.2007
 
 beginning time = 1142 min.(UT), 19: 2 UT
 Xbegin =        -15.958 nT
 time of max =    1180 min.(UT), 19:40 UT
 Xmax =           21.862 nT
 Y at Xmax =      -2.836 nT
 endtime =        1231 min.(UT), 20:31 UT
 Xend =          -10.612 nT
 amplitude =      37.820 nT
 base duration time = 89 min.
 2sigma =         13.531 nT
 duration at 2sigma = 32 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0