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 Knowledgebase
Knowledgebase : CASA > EVLA
Q: How do I select baselines between EVLA-VLA antennas in CASA (e.g. to flag them, keeping the EVLA-EVLA and VLA-VLA only)? A: The solution in CASA is to use wildcards "*" in the antnenna selection string. If you've used the new antenna name convention...
An MS created by the EVLA archive which uses CASA 3.2 (after 18 May 2011) will be incompatible with certain tasks in CASA 3.1. For example, the task 'split' will produce errors such as the following: MSTableImpl::addColumnToDesc - Invalid data type: 2...
When running gaincal in CASA 4.0 and higher on a dataset that was previously calibrated using an earlier version of CASA, the following error may be generated: Caught exception: RecordInterface: field numthreads is unknown This will cause the gainca...
It is now possible to apply TEC (Total Electron Content) corrections within CASA. Note that the following procedure currently only corrects for Faraday rotations, and no corrections will be applied to dispersive delays as is possible with the AIPS TECO...