! File BR125B.key
!     Has HSA=VLBA+VLA27+GBT+Arecibo 
!     Zeeman observations of the 1667 MHz OH Megamaser emission
!     in III Zw 35.
!
! ==========================================================
! ================== Version History =======================
! ==========================================================
!
! Hybridization of key files from Anuj Sarma (VLBA Zeeman spectal line)
! and the HSA sample key file (continuum observations).
! Version 3.0  Tim Robishaw  2008Feb08
!
! ==========================================================

overwrit 
autotape=2
sumitem = EL1, EL2, AZ1, AZ2, PA1, HA1, SLEW, DWELL, TAPE1, TAPE2

! ==========================================================
! =================  Cover Information  ====================
! ==========================================================

EXPT     = 'BR125B - VLBA+Y27+GBT+Ar 1667MHz obs of OHM IIIZw35'
EXPCODE  = 'BR125B'
VERSION  = 3.0

PINAME   = 'Tim Robishaw'
ADDRESS1 = '601 Campbell Hall'
ADDRESS2 = 'University of California'
ADDRESS3 = 'Berkeley CA 94720'
PHONE    = '(510) 643 8530 (work); (510) 655 9188 (home)'
OBSPHONE = '(510) 421 3630'
FAX      = '(510) 642 3411'
EMAIL    = 'robishaw@astro.berkeley.edu'
OBSMODE  = 'HSA 16-2-2 18cm spectral line observations'
OBSTYPE  = 'VLBA'

! ==========================================================
! ==============  Correlator Information  ==================
! ==========================================================

CORREL   = 'SOCORRO'
CORAVG   = 2
CORCHAN  = 512
CORNANT  = 13
CORPOL   = 'off'
CORSRCS  = 'from Schedule (BR125B.key)'
CORWTFN  = 'uniform'
CORTAPE  = 'exabyte'
CORSHIP1 = 'Tim Robishaw'
CORSHIP2 = '601 Campbell Hall'
CORSHIP3 = 'Berkeley CA 94720'
CORNOTE1 = 'PLEASE CORRELATE CHANNELS 1 & 2 ONLY.'
CORNOTE2 = 'Channels 3 & 4 are dummies, to force speedup=2.'

! ==========================================================
! ====================  Source Catalog  ====================
! ==========================================================

SRCCAT / ! Complete internal catalogue with accurate positions - use these

SOURCE='IIIZw35'
     RA=01:44:30.540  DEC= 17:06:08.60  EQUINOX='J2000'
     VEL=+8270,+8270 VREF='H' VDEF='O' /

! Fringe finder is 0234+285
!  -- use standard catalog position.
! Amplitude calibrator is J0139+1753, 1.39 deg away
!  -- use standard catalog position.

ENDCAT /

! ==========================================================
! ====================  Station Catalog  ===================
! ==========================================================

STAFILE  = '$SCHED/catalogs/stations.dat'

! ==========================================================
! ==============  Spectral line rest frequecies  ===========
! ==========================================================

LINEINIT /
lineset='ohmm'
        restfreq =  1667.359, 1667.359,  1669.4, 1669.4  /
ENDLINES /

! ==========================================================
! ====================  Observing setup  ===================
! ==========================================================

!===========================
! MODIFIED 1667 MHz OHM HSA setup...
!   to reduce speedup factor to 2 ...
!   while avoiding <8 tracks.
!     -jdr
!===========================
setinit  = ohmm.set /
  nchan    = 4
  bits     = 2
  bbfilter = 2.0
  FREQREF  = 1622.60, 1622.60,  1624.60, 1624.60
  TPMODE   = 4
  pol      = dual
  pcal     = 'off'  /
endset /

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

!! beginning of schedule 
!! times in UT
!
! VLBA starts at            15:30:00 UT
! VLBA end at               01:30:00 UT
! Y27 available             15:20:00 UT (17:30:00 VLALST)
! Y27 goes out at           01:49:00 UT (04:00:00 VLALST)
! Arecibo available	    19:00:00 UT
! Arecibo goes out at	    22:00:00 UT

YEAR   = 2008
MONTH  = 2
DAY    = 10
START  = 15:30:00   !  UT

LINENAME = 'ohmm'
DOPPLER

! ==========================================================
! ========================  The Scans  =====================
! ==========================================================

! *** DO NOT USE THIS AFTER RESTRICTIONS HAVE BEEN LIFTED ***
!
! To conform to the new GBT AZ slew rate limit, add the following 
! lines to your SCHED input file, somewhere above the final "/" 
! for the first scan.
!
! Modify the slew rate for the GBT for their winter speed restrictions.
stacat /
  STATION=GBT_VLBA   STCODE=Gb  CONTROL=VLBA
    MOUNT = ALTAZ AX1RATE=18  AX2RATE=18  AX1ACC=0.05  AX2ACC=0.05
    AX1LIM= -90, 450    AX2LIM= 5, 90
!     TSETTLE based on BK110 experience.  This should be monitored.
    TSETTLE = 20.0   MINSETUP = 10
    DISK=MARK5A   MEDIADEF=DISK
    DAR=VLBA NBBC=8 ! RECORDER=VLBA  NDRIVES=2  NHEADS=1
    X=   882589.6370 Y= -4924872.3123 Z=  3943729.3522
    DXDT= -0.01190 DYDT= -0.00390 DZDT=  0.00440 EPOCH=50449
    FRAME='GSFC - solution 2005f'
    AXISTYPE='altz'  AXISOFF= -0.0893
  /
endcat /
! *** DO NOT USE THIS AFTER RESTRICTIONS HAVE BEEN LIFTED ***

! NOTES:
! * Add 2min gaps every hour or so for readback checks and recorder health.
! * Jon Romney suggests adding 15s gaps when Arecibo is in the mix to allow
!   Arecibo's Mark IV system to do receiver temperature measurements.

! ==============================
!  VLBA + VLA27 + GBT + ARECIBO
! ==============================

MINPAUSE=20

! For the first 1.5 hours of the run, the source is only visible to
! the GBT and a few VLBA stations...
STATIONS = VLBA_SC, VLBA_HN, VLBA_NL, VLBA_FD, VLBA_LA, VLBA_PT, VLBA_KP, 
           VLBA_OV, VLBA_BR, VLBA_MK, GBT_VLBA

SETUP = 'ohmm.set'
DOPSRC = 'IIIZw35'
SOURCE = 'J0139+1753'	GAP = 00:00:00	DUR = 00:10:00 /
GROUP = 1 REPEAT = 4
SOURCE = 'IIIZw35'	GAP = 00:00:00	DUR = 00:15:00 /
SOURCE = '0234+285'	GAP = 00:02:45	DUR = 00:10:00 /
GROUP = 1 REPEAT = 3
SOURCE = 'IIIZw35'	GAP = 00:00:00	DUR = 00:11:00 /

! The VLA27 comes in at around 17:25:00 UT...
STATIONS = VLBA_SC, VLBA_HN, VLBA_NL, VLBA_FD, VLBA_LA, VLBA_PT, VLBA_KP, 
           VLBA_OV, VLBA_BR, VLBA_MK, VLA27, GBT_VLBA

SOURCE = 'J0139+1753'	GAP = 00:00:00	DUR = 00:10:00  VLAMODE = 'VA' /
GROUP = 1 REPEAT = 4
SOURCE = 'IIIZw35'	GAP = 00:00:00	DUR = 00:15:00  VLAMODE = 'VX' /
SOURCE = '0234+285'	GAP = 00:02:45	DUR = 00:10:00  VLAMODE = 'VA' /
GROUP = 1 REPEAT = 3
SOURCE = 'IIIZw35'	GAP = 00:00:00	DUR = 00:12:00  VLAMODE = 'VX' /

! Arecibo comes in at 19:00:00 UT...
STATIONS = VLBA_SC, VLBA_HN, VLBA_NL, VLBA_FD, VLBA_LA, VLBA_PT, VLBA_KP, 
           VLBA_OV, VLBA_BR, VLBA_MK, VLA27, GBT_VLBA, ARECIBO

SOURCE = 'J0139+1753'	GAP = 00:00:15	DUR = 00:10:00  VLAMODE = 'VA' /
GROUP = 1 REPEAT = 4
SOURCE = 'IIIZw35'	GAP = 00:00:15	DUR = 00:15:00  VLAMODE = 'VX' /
SOURCE = '0234+285'	GAP = 00:02:45	DUR = 00:10:00  VLAMODE = 'VA' /
GROUP = 1 REPEAT = 5
SOURCE = 'IIIZw35'	GAP = 00:00:15	DUR = 00:16:00  VLAMODE = 'VX' /

! Arecibo goes out at 22:00:00 UT...
STATIONS = VLBA_SC, VLBA_HN, VLBA_NL, VLBA_FD, VLBA_LA, VLBA_PT, VLBA_KP, 
           VLBA_OV, VLBA_BR, VLBA_MK, VLA27, GBT_VLBA

SOURCE = 'J0139+1753'	GAP = 00:00:00	DUR = 00:10:00  VLAMODE = 'VA' /
GROUP = 1 REPEAT = 4
SOURCE = 'IIIZw35'	GAP = 00:00:00	DUR = 00:15:00  VLAMODE = 'VX' /
SOURCE = '0234+285'	GAP = 00:02:45	DUR = 00:10:00  VLAMODE = 'VA' /
GROUP = 1 REPEAT = 4
SOURCE = 'IIIZw35'	GAP = 00:00:00	DUR = 00:15:00  VLAMODE = 'VX' /
SOURCE = 'J0139+1753'	GAP = 00:02:45	DUR = 00:10:00  VLAMODE = 'VA' /
GROUP = 1 REPEAT = 3
SOURCE = 'IIIZw35'	GAP = 00:00:00	DUR = 00:10:30  VLAMODE = 'VX' /
SOURCE = '0234+285'	GAP = 00:02:45	DUR = 00:10:00  VLAMODE = 'VA' /

! ==========================================================
! END of BR125B
! ==========================================================