Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 07.08.2009
 
 beginning time = 1340 min.(UT), 22:20 UT
 Xbegin =         -3.864 nT
 time of max =    1380 min.(UT), 23: 0 UT
 Xmax =            4.906 nT
 Y at Xmax =      -3.970 nT
 endtime =        1416 min.(UT), 23:36 UT
 Xend =           -4.622 nT
 amplitude =       8.770 nT
 base duration time = 76 min.
 2sigma =          4.148 nT
 duration at 2sigma =  5 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0