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CASA/JIVE VLBI Coordination Meeting
Minutes in Bold
2019 December 11 @ 1500UTC
Attendance: George, Justin, Ryan, Mark, Des, Harro, Ilse
Future Meeting dates (usually last Wed of the month):
NEXT MEETING: 2020 Jan
(1500UTC) (two weeks early)
2020 February 26?
2020 March 25?
Space VLBI 2020
in Charlottesville, VA (2020 Jan 28-30)
CASA Newsletter: contribution re EHT from Michael Janssen, via Ilse; coordinated by Bjorn
Distributed 2019 Nov 21
Helpdesk access from JIVE ok?
Not yet! George to resolve at NRAO [2019Dec12: Helpdesk accounts added for Mark and Des by Heidi Medlin (gmoellen)]
New CASA git repository. See:
Mostly ok for bare casa6.
Need plotms build instructions (George will ask Pam for details)
Unclear how to make CASAshell work (George will followup)
CASA5 build possible within casa6 repository structure (George to provide simple instructions)
Need instructions for running c++ unit (google) tests
Current VLBI Integration branch: CAS-12325
Will make new VLBI integration branch from new repository soon, modulo items that move out of CAS-12325 in current work
(Mark) Requirements collation
Work plan describing how/when CASA can replace AIPS (FY2020 NRAO/DMS Program Operating Plan)
meeting (northern autumn) will be in CV or Socorro, so there is an opportunity for in-person work on CASA/VLBI
NB: Feature freeze: 2019 Dec 15, some work trickling into January
(George, CAS-695) Support correlation-dependent flagging, with user option.
(George, CAS-12735) Frequency meta-info consolidiation (see also CAS-12553)
(Mark/George, CAS-12591) spwmap fix
(Des, CAS-12365,12653) Deploy dispersive term solve, including user term control
(George/Des, CAS-xxxxx) Convert CC tables to image or
for resolved model-setting
(Mark, CAS-8546) GAINCURVE definition, deployment of standardization (deployment --> 5.8/6.2)
(Des, CAS-12765) Wide bandwidth (deployment
Items for future cycles (future stakeholders discussions should include these items, at least):
(George) Some version of this list (prioritized) will be forwarded to Urvashi/Jen for stakeholder process as our (VLBI development) impression of VLBI-related priorities
(George) Per-scan interpolation option?
(George) Overlapping solution intervals (CASR-467, CASR-468)?
(Any news from Mark's Australia discussion w/ Deller/Brisken?)
(Mark) Basic plan is to formalize import of (
) correlator model, update EOP (or other, e.g., troposphere) part, and difference to obtain required delay calibration
(Des/George) PCAL (Des has ad hoc scripts, need updated prioritization from VLBA since this is not a high EVN priority)
(Justin) This is not a high priority at NRAO/VLBA in the near term
(George) Polarization calibration w/ resolved calibrators
(Des) CAS-12485? fringefit weighting control (test data options pending)
(Des) Baseline stacking?
Opacity for high-frequency VLBI, derived from Tsys(sec(z))
(Walter) Advanced VLBA Amplitude calibration a la Walker memo from a few years ago?
Bandpass normalization flexibility: voltage vs. power
(Mark) MS concat bugfix on casacore github to CASA?
Desirable for 5.7/6.1; casacore github PR pending (M100 test issues?); will coordinate merge to CASA a la carte, if necessary
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