Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 09.08.2009
 
 beginning time = 1258 min.(UT), 20:58 UT
 Xbegin =         -3.028 nT
 time of max =    1279 min.(UT), 21:19 UT
 Xmax =            5.794 nT
 Y at Xmax =      -0.088 nT
 endtime =        1327 min.(UT), 22: 7 UT
 Xend =           -1.330 nT
 amplitude =       8.822 nT
 base duration time = 69 min.
 2sigma =          3.533 nT
 duration at 2sigma = 21 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0