Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 21.07.2007
 
 beginning time = 1205 min.(UT), 20: 5 UT
 Xbegin =         -9.580 nT
 time of max =    1225 min.(UT), 20:25 UT
 Xmax =           13.912 nT
 Y at Xmax =       6.246 nT
 endtime =        1282 min.(UT), 21:22 UT
 Xend =           -5.154 nT
 amplitude =      23.492 nT
 base duration time = 77 min.
 2sigma =          6.041 nT
 duration at 2sigma = 25 min.
 flagbegin = 0
 flagend =   2
 flagxcheck = 0