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ALMA Band 1 Science Workshop
January 16-20, 2017
ASIAA Auditorium, Taipei, Taiwan

Invited Presentation

Pre-History of the ALMA Band 1 Project

James Di Francesco (National Research Council of Canada)

In this presentation, I will recount how the ALMA Band 1 project got to where it is today. Though originally intended as one of the ten receiver cartridges for ALMA, Band 1 was regrettably cut from the first suite of available frequencies during ALMA’s rescoping exercise in the mid-2000’s. Nevertheless, scientific interest in the Band 1 project remained strong. In light of future development opportunities, the ALMA Band 1 project began as a partnership between ASIAA, Universidad de Chile, and the National Research Council of Canada in late 2007. A well-attended Band 1 science workshop was hosted at NRC in Victoria in late 2008, leading directly to the development of the current Band 1 Science Cases document. For context, I will summarize the strongest arguments for ALMA Band 1 from that document, including a comparison of ALMA with the Jansky VLA and ngVLA at these frequencies.