Instrument Handbook	The Instrument Handbook is the primary guide to the characteristics and use of the FGS. It is also available in PDF format (2.04 MB).
Data Handbook	The Data Handbook is the primary guide to the calibration and analysis of FGS data.
Instrument Science Reports	ISRs are technical reports written by the FGS Group staff about various aspects of the instrument and it's data. They usually contain in depth information about a specific topic.
Papers	FGS related papers.