#
def step1():
 print "List observing parameters -\n"
 user_check=raw_input('hit Enter to run listobs -')
 listobs(vis=datain+'.ms')
 print "Done with listobs for observing parameters!"
 user_check=raw_input('hit Enter to run plotants -')
 print "Plot array configuration -\n"
 plotants(vis=datain+'.ms',figfile='ant_locations.png')
 print "Done with plotants, please report if coordinates have issues!"
 user_check=raw_input('hit Enter to run split -')
 print "bin visibility channels -"
 user_check=raw_input('hit Enter to delete file -'+datain+'_'+str(bw)+'.ms and run split -')
 os.system('rm -rf ./'+datain+'_'+str(bw)+'.ms')
 split(vis=datain+'.ms',
        outputvis=datain+'_'+str(bw)+'.ms',
        spw=allspw2,
        width=bw,
        datacolumn='data')
 print "Done split!"
 user_check=raw_input('hit Enter to run listobs for '+datain+'_'+str(bw)+'.ms')
 listobs(vis=datain+'_'+str(bw)+'.ms')
 print "Done with listobs for split ms!"
#