! Example SCHED input for spectral line observations on the VLBA. ! ! This example is for observing multiple OH transitions with ! 250 kHz per transition and dual polarization. ! ! From akemball 14aug95 - designed to show use of sched parameters for ! a line project; *not* designed to show an observing strategy. ! ! Tweaked by jwrobel 14aug95 and cwalker dec95, 30apr96, 20may96 ! 2feb99. ! ! For detailed documentation, see the SCHED Manual on the WWW at: ! http://www.aoc.nrao.edu/~cwalker/sched/sched/sched.html ! ! ========================================================== ! ================= Cover Information ==================== ! ========================================================== ! version = 1 expt = 'Experiment title (include project code)' expcode = 'egOH' piname = 'PI Name' address1 = 'Address (line one)' address2 = 'Address (line two)' address3 = 'Address (line three)' phone = 'Telephone number' obsphone = 'Tel. during observations' fax = 'Fax number' email = 'e-mail address' obsmode = '18cm spectral line observations' obstype = 'VLBA' note1 = 'Special instructions' ! ! ========================================================== ! ============== Correlator Information ================== ! ========================================================== correl = 'Socorro' coravg = 12 corchan = 1024 cornant = 10 corpol = 'off' corwtfn = 'uniform' corsrcs = 'standard' cortape = DAT corship1 = 'Athol Kemball' corship2 = 'P. O. Box O' corship3 = 'Socorro NM 87801' ! ! ========================================================== ! ================== Program control ===================== ! ========================================================== ! ! Normally SCHED will not overwrite preexisting files. If ! you do not want this protection, uncomment the following line: overwrit ! ! ========================================================== ! ======= Standard Source and Station Catalogs ============ ! ========================================================== stafile = $SCHED/catalogs/stations_RDBE.dat srcfile = NONE ! All sources specified in this file. freqfile = $SCHED/catalogs/freq_RDBE.dat ! ========================================================== ! ============== Spectral line rest frequecies =========== ! ========================================================== ! lineinit / lineset='prog' ! This is all 4 OH lines. restfreq= 1612.231, 1612.231, 1665.401, 1665.401, 1667.358, 1667.358, 1720.533, 1720.533 / endlines / ! ! ========================================================== ! ==================== Observing setup =================== ! ========================================================== ! setinit = egOH.set / ! setup for file egOH.key ! Actual frequencies to be set by DOPPLER. ! This setup file calls for 18cm receiver, dual circular polarizations, ! 32 Mbps, 8 baseband channels, 2-bit sampling, and baseband ! filter bandwidths of 1 MHz, the minimum for the RDBE. ! In the pre-RDBE version, oversampling is requested as SCHED ! would note while processing. But I had to drop that with the RDBE. ! For the RDBE, set the bandwidth at 1.0 and set the CORCHAN ! to 1024 (up from 256) to give the required resolution. Spectral ! zoom mode could be used but is not specified here. ! The frequencies are dummies that will be replaced by ones ! calculated for each source (doppler). nchan = 8 samprate = 2.0 bits = 2 bbfilter = 1.0 ! 32 Mbps netside = U, U, U, U, U, U, U, U bbc = 1, 2, 3, 4, 5, 6, 7, 8 pol = RCP, LCP, RCP, LCP, RCP, LCP, RCP, LCP pcal = 'off' ! Don't wany pcal spikes in spectra. freqref = 1612,1612, 1665,1665, 1667,1667, 1720,1720 / endset / ! ! ========================================================== ! ==================== Source Catalog ==================== ! ========================================================== ! Obviously fake sources, but ok for example schedule. srccat / source= 'SRC1' ra= 18:50:46.247 dec= 01:11:12.45 equinox= 'B1950' vel = 14.0 / ! same velocity for all lines (one pol pair per line) source= 'CAL1' ra= 18:00:00.0 dec = 01:00:00.0 equinox= 'B1950' / endcat / ! ! ========================================================== ! ================= Initial Scan Information ============= ! ========================================================== ! stations = VLBA_SC, VLBA_HN, VLBA_NL, VLBA_FD, VLBA_LA, VLBA_PT, VLBA_KP, VLBA_OV, VLBA_BR, VLBA_MK linename = 'prog' doppler setup = 'egOH.set' year = 1995 month = 6 day = 3 start = 03:08:00 ! ! ========================================================== ! ======================== The Scans ===================== ! ========================================================== ! ! *** Prog. source scan (2 x 52 min. per pass); waits 8 min at start ! Note that first "GAP" after START is ignored. ! Just a sample of a few scans. A real project would be much longer. ! group 1 repeat 2 source = 'SRC1' dur 52:00 gap = 08:00 dopsrc 'SRC1' / ! ! *** Calibrator source scan (28 min, rest of pass on prog. source) ! source = 'CAL1' dur 28:00 gap = 02:00 dopsrc 'SRC1' / source = 'SRC1' dur 24:00 gap = 00:00 dopsrc 'SRC1' / ! ! *** Single pass on program source ! source = 'SRC1' dur 00:52:00 gap = 08:00 dopsrc 'SRC1' / ! ! end egOH.key