The General Single-Dish Data Format: A Retrospective
Tim Jenness, Elizabeth B. Stobie, Ronald J. Maddalena, Robert, W. Garwood, Jon H. Fairclough, Richard M. Prestage, Remo P. J., Tilanus, Rachael Padman

TL;DR
This paper reviews the development, implementation, and historical significance of the General Single-Dish Data format (GSDD), a data model used in radio astronomy observatories since the 1980s.
Contribution
It provides a comprehensive retrospective analysis of GSDD's design, usage, and impact on single-dish radio astronomy data management.
Findings
GSDD supported multiple observatories and instruments.
The format influenced subsequent data standards in radio astronomy.
Retrospective insights into GSDD's strengths and limitations.
Abstract
The General Single-Dish Data format (GSDD) was developed in the mid-1980s as a data model to support centimeter, millimeter and submillimeter instrumentation at NRAO, JCMT, the University of Arizona and IRAM. We provide an overview of the GSDD requirements and associated data model, discuss the implementation of the resultant file formats, describe its usage in the observatories and provide a retrospective on the format.
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