!  Example sched input for a VLBA observation with multiple
!  phase centers in a couple of pointing centers.
!
! ==========================================================
! =================  Cover Information  ====================
! ==========================================================
!
 version = 1
 expt    = 'Multiple phase centers example'
 expcode = egcent

 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  ==================
! ==========================================================
 
correl   = Socorro
coravg   = 4
corchan  = 512, 8192
cornant  = 10
corpol   = on
corwtfn  = uniform
corsrcs  = standard
cortape  = FTP
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  ============
! ==========================================================
!  The station and frequency files are sched defaults so they 
!  are not really needed.  For sources, you have a choice of
!  the Goddard or RFC (petrov) versions.  The Goddard version
!  has the aliases needed here.

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

! ==========================================================
! =======================  Setup file  =====================
! ==========================================================
!
setini = egvlba.6cm /
  dbe     = rdbe_ddc
  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
  netside = U        !  RF sideband upper.
  freqref = 4740.75  !  RF edge of lowest baseband channel.
  freqoff = 0,0,128,128  !  Frequency offset of other channels.
  /           
endset /

setini = egvlba.20cm /
!  Avoiding RFI is tricky.
  dbe     = rdbe_ddc  nchan=4  bbfilt=64.0  pol=DUAL  bits=2
  netside = U  freqref = 1425.75, 1425.75, 1620.75, 1620.75
  / 
endset /

! ==========================================================
! ================Multiple phase centers  ==================
! ==========================================================
srcfile2='egcentsrc.dat'
pcenters /
name='4C39'
sources='4C39.25A','4C39.25B','4C39.25C','4C39.25D',
        '4C39.25E','4C39.25F','4C39.25G','4C39.25H',
        '4C39.25I','4C39.25J'
/
name='J0925'
sources='J0925-2027', 'J0925-2027A', 'J0925-2027B', 'J0925-2027C', 
        'J0925-2027D', 'J0925-2027E'
/
endcent /

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

year     = 1995
month    = 7
day      = 5
start    = 20:00:00

! ==========================================================
! ========================  The Scans  =====================
! ==========================================================
!  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, VLBA_MK

group 1 rep 4
setup = egvlba.20cm  
source='4C39.25'  centers='4C39' gap=0:20 dur=4:00  /

!  This scan for a readback.  Needs 2:20 because of PRESTART

source='4C39.25'  gap=2:20 dur=4:00  /
                                      gap=0:20  /
rep 9
source='J0923+2815'  centers=' ' gap=0:20 dur=4:00  /

source= 'J0925-2027' centers='J0925' dur=10:00 /

