Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 07.05.2009
 
 beginning time = 1365 min.(UT), 22:45 UT
 Xbegin =         -8.396 nT
 time of max =    1396 min.(UT), 23:16 UT
 Xmax =           10.330 nT
 Y at Xmax =      -2.586 nT
 endtime =        1442 min.(UT), 24: 2 UT
 Xend =           -1.616 nT
 amplitude =      18.726 nT
 base duration time = 77 min.
 2sigma =          3.955 nT
 duration at 2sigma = 31 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0