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operations:documentation.ivs.drudg

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Preparing Schedule and Procedure Files

There are two ways of doing this: via the slogit.auscope.sh script or manually.

The script is much faster and easier although there are some things to beware of. The script is currently based on ops-serv2 as

slogit.auscope.sh

When run, it will prompt you for the experiment code and observatory. It will download the schedule file (or ask if you want to re-download the file if it currently exists) to /vlbobs/ivs/sched/, copy it to pcfs[hb|ke|yg] (it will check if it will overwrite the file), build the snp and prc files (or offer to re-build them if they exist), copy them to the correct places and finally offer to print off log and cover sheets. It will append the standard preob to the prc file, but does not delete the redundant lines. It will pop up an emacs session for you to edit the file though.

Note that the schedule summary file is currently written to /tmp/sched.tmp on pcfs[hb|ke|yg]. A copy needs to be scp'ed back to be printed out.

For Yarragadee, the SNAP file will need to be edited by hand to remove scans that coincide with transmissions from the adjacent USN antenna. See Jim or Jamie for information about determining the time ranges. To remove the scans from the schedule, comment them out, with a in the first column, put a source=stow at the start and specify a wait time at the end. e.g.:

!2011.187.07:07:01
data_valid=off
disk_record=off
disk_pos
postob
"Stow antenna due to USN transmissions
source=stow
" scan_name=187-0716,r1490,Yg,43,43
" source=0727-115,072758.08,-113452.5,1950.0,neutral
" checkmk5
" setupsx
" !2011.187.07:16:35
.
.
.
" !2011.187.08:04:58
" data_valid=off
" disk_record=off
" disk_pos
" postob
!2011.187.08:05:00
scan_name=187-0806,r1490,Yg,43,43
source=0727-115,072758.08,-113452.5,1950.0,neutral
checkmk5
setupsx

Manual Instructions

Obtain the .skd file and put it on pcfshb in /usr2/sched, then:

$ drudg

At the prompt, type in the experiment name, e.g.:

RDCTL02 - Reading system control file /usr2/control/skedf.ctl
 DRUDG: Experiment Preparation Drudge Work (NRV & JMGipson 2008Oct08)
Version:  9.10.04
 Enter schedule file name (.skd or .drg default <return>
if using a .snp file, :: or q to quit) ?r1460

Then select the station (Hb)

 Opening file r1460.skd for schedule r1460.skd
 R1460
 $SKED
 $SOURCES
 $STATIONS
 $CODES
 $HEAD
OBS_SORT00 - Sorting scans by time.
TTAPE03: Invalid tape type: MARK5B
  Valid types: SHORT       THICK       THIN        MARK5A      K5
 This is a geodetic schedule.
 This is a standard non-Vex schedule file.
  # of sources:           60
  # of stations:           9
  # of frequency codes:    1
  # of scans:           1046
 Stations:
  Hh (HARTRAO ) Hb (HOBART12) Ho (HOBART26) Kk (KOKEE   ) Ny (NYALES20)
  Tc (TIGOCONC) Ts (TSUKUB32) Wf (WESTFORD) Wz (WETTZELL)

 Output for which station (type a code,  :: or q to quit, = for all) ? Hb

Then choose option 11 to set “Mark5 rack”, “Mark5B recorder”, “No second recorder” and “Start with 1” (i.e. put in the string 16 14 1 1).

Then the procedures and snap file cann be made and a summary printed (options 12, 3 and 5 in sequence).

Printing from drudg does not seem to work at present so the summary was printed using the command

enscript -r -2 /tmp/DR.tmp

After drudging the schedule, the procedure file should be moved to /usr2/proc/. It then has to be edited to remove procedures using non-existent equipment and to support the Mark5B.

  • The ifdsx and vcsx8 procedures should be removed in entirety (as the IF power levels and VC settings are set through the DBBC in our system. It may be worth keeping a copy of the vcsx8 settings to confirm the DBBC frequencies required) and the calls to these functions were removed from the setupsx procedure.
  • The pcal functions were also removed from the proc file as we do not have a computer controlled phasecal.
  • The vsi commands could be removed but do not seem to be causing any serious problems or excessive errors in the logs.
  • The preob and midob procedures should be edited to include some mk5 and site specific functions.

One problem encountered was difficulty in setting up thee new procedures by editing the proc file directly. The best way of inserting/editing procedures in a proc file is to load it into the fs and then run pfmed from the terminal. To create or edit a procedure, type “edit” and then the name of the procedure. The final procure file is included below. Don't try to paste this text into a proc file as the Wiki formatting may cause strange problems for the interpreter.

define  proc_library  10340164352x
" R1460      HOBART12  Hb
" drudg version 2008Oct08 compiled under FS  9.10.04
"< Mark5    rack >< Mark5B   recorder 1>
enddef
define  exper_initi   10340164348x
proc_library
sched_initi
mk5=DTS_id?
mk5=OS_rev?
mk5=SS_rev?
mk5=status?
enddef
define  setupsx       10340181757x
tpicd=stop
mk5b_mode=ext,0x55555555,2
mk5b_mode
bank_check
tpicd
enddef
define  preob         10340181757
onsource
systemp12
mk5=dot?
clkoff
enddef
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