Nevada Automated Diagnostic System. Page: 3 of 10
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Data acquisition and recording techniques currently in use at the Nevada
Test Site have developed over a number of years. These techniques
emphasize the careful handling and capture of an analog phenomenum with
post-event analysis of this signal, usually on a digital processor. This
form of data collection has resulted in complex, highly specialized self-
contained, stations clustered in a recording trailer park near event
surface ground zero. As the complexity of field experiments, both in
individual experiment sophistication and in numbers of experiments has
increased, the transmission and recording of data in the Forward Area
has become a major expenditure of both manpower and material.
The Nevada Automated Diagnostic Systsm (NADS) concept was developed to
apply the most modern technology available to the NTS data acquisition
and analysis effort. Four principal design goals were identified:
1. To provide a reliable a;ystem which, with smooth transitions
and minimum cost:
a. Meets the requirements of existing measurements.
b. Can be expanded to serve increased channel requirements.
c. Can be adapted to incorporate new measurement techniques.
2. To transform data to a digital representation at the earliest
possible point in the processing path.
3. To minimize Forward Area setup and maintenance manpower
4. To provide the capability for remotely controlling experiments
in an interactive manner through a central location for:
o. Maintms agnostica,
e. Dry-run and event data acquisition.
From these principles, DADS has evolved an a hardware-software system.
DADS is a data acquisition, transmission and processing system that
receives signals from experimenters' transducers, and provides digitiz-
ing mechanisms, multiplexing equipment, and microwave equipment to
transmit the data to a central location. At this central location, in
the CP compound, a control processor directs recording, decommutation,
and processing equipment and provides, to the user, data in a readily
processable form. Return links provide for experimenter feedbank for
control and configuration of the forward area equipment.
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McCall, J. R. Nevada Automated Diagnostic System., report, January 1, 1972; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc1035003/m1/3/: accessed July 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.