s1 = Stream("s1", dispatcher)
s1.addScalar("SARFE10-PSSS059:SPECTRUM_Y_SUM", "SARFE10-PSSS059:SPECTRUM_Y_SUM", 1, 0)
s1.addScalar("SARFE10-PBPS053:INTENSITY" , "SARFE10-PBPS053:INTENSITY", 1, 0)
s1.initialize()
bscan(s1, 10, 3.0)