CASA/JIVE VLBI Coordination Meeting

2021 Dec 15 @ 1500UTC


  • Future Meeting dates:
    • 2022 Jan 12? @ 1500 UTC Technical meeting
    • 2022 Jan 26? @ 1500 UTC Coordination meeting

General Admin

  • General Status w.r.t. Coronavirus measures
    • NRAO/ALMA:
      • NRAO in North America now officially fully-vaccinated and "back to work", with masking/SD protocols still in place. ALMA now back to ~near-normal, w/ care. Remaining cautious...
      • ASTRON (and JIVE) ???
  • Upcoming CASA Release Schedule
  • (Justin) Stakeholder prioritization
  • Documentation and related
    • (Mark) Collated requirements (2021 July 02) ...status?
    • (Des/George) Fringefit memo...status? George to add some general calibration context (cf for CASA VLBI paper)
    • (Justin) VLBA CASA Recipe complete: VLBA Scientific Memo 38 (pdf)
    • (Ilse) CASA VLBI Paper planning...status?
      • Last meeting Nov 30
  • CASA repo/build logistics
    • (Ryan/George) CASA repo re-org for sunset of CASA 5 (CAS-13461)
      • remember to migrate c++ tests as needed.
    • Building c++ unit tests in CASA 6 from Darrell (CAS-13461) (still some issues with google tests?)
      • George to systematically organize calibration-related tests (mostly google tests) in synthesis/MeasurementComponents (including VLBI-related)
    • VLBI Integration Branch: TBD
    • casa6 build instructions via vmware (from Ville)
  • Misc. Admin
    • (Ryan) Recruitment process for new VLBI developer complete; offer accepted!
    • (Ryan) New JIRA ticket conventions (see casa-staff Dec 9 email)
  • (Ryan) CNGI/ngCASA Status?
    • Demo 'release' of prototype package. CNGI info on casa webpage.
    • FYI: CNGI Development instructions
    • Some casa6 development to be considered using new technologies ("CNGI tech transition"), if adequately isolate-able.
  • Meetings/workshops of relevance
    • anything?
  • Other admin?
    • anything?


  • CASA 6.3+6.4 prioritization
  • Ongoing maintenance/development CASA 6.3/6.4 JIRA (VLBI) Status
    • Finished:
      • Mark, CAS-13622) FITS-IDI filler does not always update OBSERVATION table correctly (6.4.3)
        • Merged to 6.4.3.
    • Ongoing for 6.4.3
      • (Mark, CAS-13628) Dysco ("lossy" compression of MeasurementSets) (6.4.3)
        • Merged to 6.4.3?
      • (Mark, CAS-13266) Per-scan interpolation via overloading per-obs mechanism. (6.4.3)
        • Good discussion on Nov 17 Tech meeting; some internal semantic changes pending (George)
      • (Des, CAS-13361) Polarization combination for fringefit. (6.4.3)
        • Under review by George (looks good, maybe some minor details to clean up...)
      • (Des, CAS-13056) Overlapping solution intervals (6.4.4)
        • Awaiting review by George
      • (Des, ticket?) Turn on uvrange parameter in fringefit? (probably trivial to add)
      • (Mark, CAS-13003). EOP update (6.4).
        • Anything to report?
    • Other/Miscellaneous
      • (George/Justin) CASR-463 (TEC) Need to follow-up on Justin's initial testing, which indicated edge (near-horizon) effects, spurious but cosmetic VLA-specificity, scientific differences in details? (Also some MeerKAT testing, via Bietenholz?)
      • (George, CAS-13287) AveragingTvi2 problems for certain conditions; under separate investigation (cf CAS-13466)
      • CAS-12485: OTF weight munging for solve (Can we complete validation and deploy? Des seeking interested users at JIVE)
      • (Mark, CAS-13700) Export/import UVFITS with Nant > 255.


  • ?

-- GeorgeMoellenbrock - 2021-12-14
Topic revision: r2 - 2021-12-15, MarkKettenis
This site is powered by FoswikiCopyright © by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding NRAO Public Wiki? Send feedback