Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 28.06.2009
 
 beginning time = 1238 min.(UT), 20:38 UT
 Xbegin =          0.786 nT
 time of max =    1246 min.(UT), 20:46 UT
 Xmax =           20.164 nT
 Y at Xmax =      -4.316 nT
 endtime =        1267 min.(UT), 21: 7 UT
 Xend =          -10.540 nT
 amplitude =      19.378 nT
 base duration time = 29 min.
 2sigma =          7.094 nT
 duration at 2sigma =  9 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0