Acknowledgements
This Observational Status Summary for the Karl G. Jansky (expanded) VLA is based substantially on its predecessor, the VLA Observational Status Summary. Over the VLA history of almost 30 years, many individuals contributed to that document by writing sections, editing previous versions, commenting on draft material, and implementing the capabilities described herein. We thank all these contributors for their efforts. Please contact the editor of the present document (gvanmoor at nrao dot edu, dshepher at nrao dot edu) with questions on the material, or suggestions that would enhance the clarity of this guide.