Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 07.05.2011
 
 beginning time = 1239 min.(UT), 20:39 UT
 Xbegin =         -5.544 nT
 time of max =    1269 min.(UT), 21: 9 UT
 Xmax =            6.302 nT
 Y at Xmax =      -0.676 nT
 endtime =        1316 min.(UT), 21:56 UT
 Xend =           -2.904 nT
 amplitude =      11.846 nT
 base duration time = 77 min.
 2sigma =          4.398 nT
 duration at 2sigma = 37 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0