Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 28.04.2008
 
 beginning time = 1230 min.(UT), 20:30 UT
 Xbegin =         -4.228 nT
 time of max =    1262 min.(UT), 21: 2 UT
 Xmax =            9.296 nT
 Y at Xmax =       1.584 nT
 endtime =        1320 min.(UT), 22: 0 UT
 Xend =           -5.660 nT
 amplitude =      13.524 nT
 base duration time = 90 min.
 2sigma =          6.918 nT
 duration at 2sigma = 19 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0