Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 16.04.2009
 
 beginning time = 1387 min.(UT), 23: 7 UT
 Xbegin =         -5.744 nT
 time of max =    1412 min.(UT), 23:32 UT
 Xmax =            5.590 nT
 Y at Xmax =       1.194 nT
 endtime =        1476 min.(UT), 24:36 UT
 Xend =           -2.688 nT
 amplitude =      11.334 nT
 base duration time = 89 min.
 2sigma =          4.008 nT
 duration at 2sigma =  5 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0