Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 08.04.2009
 
 beginning time = 1216 min.(UT), 20:16 UT
 Xbegin =         -4.488 nT
 time of max =    1243 min.(UT), 20:43 UT
 Xmax =            7.230 nT
 Y at Xmax =       1.632 nT
 endtime =        1284 min.(UT), 21:24 UT
 Xend =           -3.886 nT
 amplitude =      11.718 nT
 base duration time = 68 min.
 2sigma =          3.385 nT
 duration at 2sigma = 23 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0