! Show the use of doscans to not use all of the end scans.

 doscans = 9, 125

!  Example sched input for a simple VLBA observation.
!
!  Add PREEMPT for USNO and EXTRA scans Jan 26, 2013 RCW.
!  Switch to dwell some time.
!  Switch to RDBE and 2 Gbps. March 17, 2014
!
! ==========================================================
! =================  Cover Information  ====================
! ==========================================================
!
 version = 1
 expt    = '2 bit high dynamic range test'
 expcode = egvlba

 piname   = 'Craig Walker'    
 address1 = 'National Radio Astronomy Observatory'  
 address2 = 'P. O. Box O'                           
 address3 = 'Socorro, New Mexico, 87801'
 address4 = ' U.S.A. '
 phone    = '505 835 7247 '    
 obsphone = '505 835 7247 '     
 email    = cwalker@nrao.edu  
 fax      = '505 835 7027 '   
 obsmode  = '6cm 128-4-2 '
 obstype  = VLBA
 note1    = ' ' 
! ==========================================================
! ==============  Correlator Information  ==================
! ==========================================================
!  Note now uses 128 MHz bands and we channels no wider than
!  0.5 MHz to allow for undertainties in the apriori clocks.
 
correl   = Socorro
coravg   = 4
corchan  = 256
cornant  = 10
corpol   = on
corwtfn  = uniform
corsrcs  = standard
cortape  = FTP
cordfmt  = FITS
corship1 = 'Craig Walker'
corship2 = 'P. O. Box O'
corship3 = 'Socorro NM 87801'

! ==========================================================
! ==================  Program control  =====================
! ==========================================================
!    Normally SCHED will not overwrite preexisting files. 
!    If you want this protection, comment this following line.
 overwrit

 sumitem  = el1, az1, disk, tpstart

! ==========================================================
! ======= Standard Source and Station Catalogs  ============
! ==========================================================

stafile  = $SCHED/catalogs/stations_RDBE.dat
srcfile  = $SCHED/catalogs/sources.vlba
freqfile = $SCHED/catalogs/freq_RDBE.dat

! ==========================================================
! =======================  Setup file  =====================
! ==========================================================
!  Note setting the frequency just by band not yet working for RDBE.
!  Total bit rate = 2*bbfilt*nchan*bits
setini = egvlba.6cm /
  band   = '6cm'    !  Observing band.  SCHED had frequency.
  nchan  = 4        !  Number of baseband channels.
  bbfilt = 128.0    !  Bandwidth per baseband channel (MHz)
  pol    = dual     !  RCP, LCP, or DUAL.
  bits   = 2        !  Bits per sample
  freqref = 4100.25 !  This is close to the LO with a pcal offset.
  freqoff=640,640,768,768  !  Set the frequency per channel
  /          
endset /

setini = egvlba.2cm /
  band='2cm'  nchan=4  bbfilt=128.0  pol=DUAL  bits=2 
  freqref = 14600.25  freqoff=640,640,768,768 /
endset /

! ==========================================================
! =================  Initial Scan Information  =============
! ==========================================================

year     = 2014
month    = 7
day      = 5
start    = 16:00:00

! ==========================================================
! ========================  The Scans  =====================
! ==========================================================
!  Consider the first scans optional
preempt = 'extra'

!  MK down at start.  
!  This file accumulates uv coverage in 2 bands.
!  When not using DWELL, leave time for long slews with GAP.
!  Allow a readback test occasionally.
!  Only things that change need to be specified.

stations = VLBA_SC, VLBA_HN, VLBA_NL, VLBA_FD, VLBA_LA,
           VLBA_PT, VLBA_KP, VLBA_OV, VLBA_BR

group 2 rep 4
setup = egvlba.6cm  source='4C39.25'  gap=0:20 dur=4:00  /
setup = egvlba.2cm                    gap=0:20  /

!  This scan for a readback.  Needs 2:20 because of PRESTART
rep = 1 
setup = egvlba.6cm  source='4C39.25'  gap=2:20 dur=4:00  /
setup = egvlba.2cm                    gap=0:20  /

! Now begin the project core, but allow preemption for USNO
! daily EOP runs.
preempt = 'ok'

group 2 rep 9
setup = egvlba.6cm  /
setup = egvlba.2cm  /


stations = VLBA_SC, VLBA_HN, VLBA_NL, VLBA_FD, VLBA_LA,
           VLBA_PT, VLBA_KP, VLBA_OV, VLBA_BR, VLBA_MK

!  For one of the following scans, try the label SCANTAG

group 14 rep 4
setup = egvlba.6cm  source='DA193'    gap=4:00 dur=4:00 /
setup = egvlba.2cm                    gap=0:20  /
setup = egvlba.6cm  source='4C39.25'  gap=4:00  /
setup = egvlba.2cm                    gap=0:20  /
setup = egvlba.6cm  /
setup = egvlba.2cm  /
setup = egvlba.6cm  /
setup = egvlba.2cm  /
setup = egvlba.6cm  /
setup = egvlba.2cm  /
setup = egvlba.6cm  /
setup = egvlba.2cm  /
setup = egvlba.6cm  /
setup = egvlba.2cm  /

group 14 rep 3
setup = egvlba.6cm  source='OQ208'    gap=4:00 dur=4:00 /
setup = egvlba.2cm                    gap=0:20  /
setup = egvlba.6cm  source='4C39.25'  gap=4:00  /
setup = egvlba.2cm                    gap=0:20  /
setup = egvlba.6cm  /
setup = egvlba.2cm  /
setup = egvlba.6cm  /
setup = egvlba.2cm  /
setup = egvlba.6cm  /
setup = egvlba.2cm  /
setup = egvlba.6cm  /
setup = egvlba.2cm  /
setup = egvlba.6cm  /
setup = egvlba.2cm  /

! Do a few optional scans at the end.
preempt = 'extra'

group 2 rep 3
setup = egvlba.6cm  source='OQ208'    gap=4:00 dur=4:00 /
setup = egvlba.2cm                    gap=0:20  /