1 / 12

Field System Topics Ed Himwich, John Gipson, and Jonathan Quick

Field System Topics Ed Himwich, John Gipson, and Jonathan Quick. Current Status - FS 9.10.0. Mark 5B Recorder Support Mark 5 Sampler Module Support Rack types Mark5 and VLBA5 Not suitable for Mark 5A Recorder, but 9.10.1 will be GNPLT bug fixes

jacie
Télécharger la présentation

Field System Topics Ed Himwich, John Gipson, and Jonathan Quick

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Field System Topics Ed Himwich, John Gipson, and Jonathan Quick

  2. Current Status - FS 9.10.0 • Mark 5B Recorder Support • Mark 5 Sampler Module Support • Rack types Mark5 and VLBA5 • Not suitable for Mark 5A Recorder, but 9.10.1 will be • GNPLT bug fixes • Systests improved and Mark5B rack/recorder support • DRUDG • Support for Dymo printers under FS Linux 6, “sarge” • Equipment selection improved • New Mark IV rack patch algorithm to better harmonize geodesy and astronomy

  3. FS 9.10.1 (November 2007) • Supports Mark 5A (again) • Fixes “fmset” problem for rack=none for recorder=Mark5B • Fixes error in default values (“*”) in “vsi4” command • Elimination of “postob_mk5” procedure • Fix for “preob” issue with “early start” may be included, otherwise in 9.10.2 • Other minor fixes and improvements

  4. FS 9.10.2 (Winter 2007-2008) • Fix for “preob” issue with “early start” if was not in 9.10.1 • Eliminate use of some mk5=… commands for normal operations • Phase-cal extraction support for Mark IV decoders? • CHEKR monitoring of Mark5 • Update Mark 5 “Remaining Capacity” display while recording • S2 DAS support put on hold • Other small items generated by this meeting …

  5. Mark 5B Recorder Support • New “mk5b_mode” command to set Mark 5B mode • “fmset” support for time setting/checking and configuration of timing parameters • New display of timing parameters and status • Mark 5B should be controlled by the “dimino” version of the Mark5A program, only “dimino” is officially supported by FS • Every time “dimino” is restarted, the operator should visit “fmset” to verify/set time. No change is needed if time is okay • In addition if Mark 5B is rebooted (hard or soft), the “s” command must be used in “fmset” to “synch” before verifying/setting the time • Some command log output format changes to agree with “dimino” forms of device commands • Documentation on using Mark 5B with FS in /usr2/fs/misc/mk5b_ops.txt

  6. Mark 5 Sampler Module Support • Module is a replacement for Mark IV formatter, plugs into slot, but produces VSI-H output for, e.g., Mark 5B recorder • New “vsi4” command to control/monitor VSI4 board in Mark 5 Sampler module • Tsys/tpi features support device selection based on VSI4 bit stream selections and mark 5B recorder bit mask, i.e., analogous to Mark IV, VLBA4 support • Documentation on using Mark 5 Sample modlue with FS in also in /usr2/fs/misc/mk5b_ops.txt

  7. FS Linux 6 • FS Linux 6 Distribution now available • Based on Debian “Sarge” • Uses RAID1 for more robust operations with two disks • Back-up scheme with three disks rotates disks periodically • Clean install • Upgrading path from FS Linux 5 (woody) will be to do a clean install and then copy /usr2 partition, etc. to new system • Not fully documented yet • Still supported with security patches • Now looking toward FS Linux 7, based on “etch” • GPIB driver issues need to be resolved • Router/Firewall • Inexpensive, <US$100 • Should be used with older, no longer supported distributions, including FS Linux 5

  8. Longer term development items I • DBBC/DBE support • Documentation Update, wiki for documentation, operations discussion, bug reports • Improve prediction of disk pack change times • Pointing software clean-up • Eliminate redundancies in pointing configuration information by introducing a source coordinate database file and reorganizing point.prc and ctlpo.ctl (aquir control file). • Documentation clean-up to reflect new procedures and utilities • Improved Tsys • Most items completed • Post processing program to generate AIPS (ANTAB) format TSYS files from Cormac Reynolds • Periodic firing of calibration diode with flagging needed • Convert from fort77/f2c to g77 • Will allow use of source level debugger • Must maintain compatibility with f2c for older distributions

  9. Longer term development items II • TNX (“Thanks”) command expansion • This command currently provides a syntax to eliminate the display of errors that the operator knows can’t be fixed and should be ignored • Will be extended to allow different error messages with the same number and two letter code to be distinguished • Will not allow an error that has not occurred to be masked off. • FSVUE • Integrated X client (Tcl/Tk) FS Operator Interface for FS • Second iteration now, uses client-server model • Allows multiple “Operator Input/Log Display” consoles for remote operation • Initially add-on, eventually main interface • Includes log display (scrolling doesn’t jump on new input) and operator input windows • Buttons to allow you to examine logs, help, and run various utilities: monit, logpl, msg, and others.

  10. Longer term development items III • Band changes • Band configuration procedures added to set-up by DRUDG. • The DRUDG control file will be expanded to include a table of station defined procedures that can be used to set-up local station equipment for a band. These procedures can also be used manually by the operator as needed. Note that use of the existing SAVE_FILE command can be used in these procedures and INITI to recover the receiver set-up between FS terminations and restarts. • Add a command LOCONFIG. • This will be used after the LO= commands in the IFD set-up procedure. This can be used as trigger to start configuring the Los, if doing so in each individual LO= command might cause problems. By default, LOCONFIG will be a NO-OP, but it can be defined locally and do whatever is necessary for LO configuration in one step. • CALON and CALOFF SNAP variables. • This intended to deal with stations that have different cal control methods for different bands. The idea is that variables will be introduced into SNAP, specifically two: CALON and CALOFF. These can be defined by the band set-up procedures described above and used as $CALON and $CALOFF in procedures when the noise diode needs to be controlled.

  11. Additional Future Items I • IF patching automation for Mark IV racks • EVN has hardware design, but not implemented in field yet. We will need one relatively simple SNAP command to support it: • A special version of PATCH and a way to control which version is used. • Mark IV decoder support • This is beyond the phase-cal monitoring mentioned above, mainly a few SNAP commands to control the decoder manually. Most of the effort here is actually divining what is needed and developing documentation

  12. Additional Future Items II • Phase-cal control monitoring from VEX schedules • Mark IV decoder support already planned • AIPS format file generated from post-processing • Support for VLBA digital switch board

More Related