Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 21.11.2009
 
 beginning time = 1237 min.(UT), 20:37 UT
 Xbegin =         -2.006 nT
 time of max =    1255 min.(UT), 20:55 UT
 Xmax =            7.486 nT
 Y at Xmax =      -2.428 nT
 endtime =        1282 min.(UT), 21:22 UT
 Xend =           -0.948 nT
 amplitude =       9.492 nT
 base duration time = 45 min.
 2sigma =          4.085 nT
 duration at 2sigma = 14 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0