The Galactic Emission Mapping Project - GEM DAS

GEM Data Acquisition System (DAS)

The data acquisition system (DAS) takes the receiver signal, pointing (azimuth and elevation), housekeeping, etc. data and sends it to a computer system for recording and later analysis.

Part of the software makes a real time plot of the signal, azimuth, and some housekeeping for monitoring GEM observational performance.

Here is some documentation about the data acquisition system

Data Acquisition System (DAS) description
DAS User's Manual The first section includes much of the material (slightly different format) of the previous document (repetition of work) but includes more specific information for the user at the end.
DAS sample software
DAS Sample Data Record Format
DAS Device Address Book
DAS schematic diagram postscript on next line is smaller file
DAS schematic diagram postscript
DAS wiring information (coming soon)
DAS device addresses old page

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