# change V-sum offset base globally (for example to compensate a laser delay change), dph is the desired phase shift
dph = 34.0

stationlist0 = ("SINSB01","SINSB02","SINSB03","SINSB04","SINXB01")
stationlist1 = ("S10CB01","S10CB02","S10CB03","S10CB04","S10CB05","S10CB06","S10CB07","S10CB08","S10CB09")
stationlist2 = ("S20CB01","S20CB02","S20CB03","S20CB04")
stationlist3 = ("S20CB01","S20CB02","S20CB03","S20CB04","S30CB01","S30CB02","S30CB03","S30CB04","S30CB05","S30CB06","S30CB07","S30CB08","S30CB09","S30CB10","S30CB11","S30CB12","S30CB13")
stationlist = stationlist1 + stationlist2 + stationlist3

Ph = {}
for station in stationlist:
  ph0 = caget(station + "-RSYS:SET-VSUM-PHASE-OFFSET-BASE")  # deg
  Ph[station] = (ph0 - dph) % 360

for station in stationlist:
  caput(station + "-RSYS:SET-VSUM-PHASE-OFFSET-BASE",  Ph[station])
  print(station + "-RSYS:SET-VSUM-PHASE-OFFSET-BASE",  Ph[station])