Pull request #1068: CAS-14763
Merge in CASA/casa6 from CAS-14763 to master
* commit 'f2e0db200c55d4b3c26e06bf80d6211944a47756': (74 commits)
Change type to G
Add standard errors for parameters
Update xml and tests
Change default clock order and update the test data origin
Remove debugging list type, return of task zenithdelaycal is dict
Updated test to use data with all VLBA antennas
Updated test header
Add test data procedence
Adds more tests
Add per polarization clock solution
Switch to CASA measures to compute antenna elevations
Updated tests for zenithdelaycal
Name based antenna selection from MS
Add implementation to ZenithDelayJones
Add tests
Add implementation to ZenithDelayJones
Add caltable output
For CAS-14763, added comments to aid development
For CAS-14763, in ZenithDelayJones::setApply(Record&), removed some unnecessary stuff.
For CAS-14763, added skeletal ZenithDelayJones class (ZenithDelayCal.{h,cc}) to eventually support application of zenith-angle dependent macroscopic delay calibration for VLBI, and make VisCalGlobals's SolvableVisCal factories aware of it. This requires further development for it to work.
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