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"Design Concepts of Ground DDAS in Saturn 1B/V ESE."
In the Saturn IB/V programs the sheer quantity of data required for computer processing and ESE display makes it necessary to provide an efficient data acquisition system. For much of the data originating in the launcher this requirement is satisfied by the Ground Digital Data Acquisition System (DDAS). This paper provides a technical description of the Ground DDAS with emphasis placed on the unique design concepts of this telemetry system. -
"Functional Management in NASA."
This is a Comment Edition of Historical Note No. 53 prepared by a summer employee of the NASA Historical Staff (APPH). The author has agreed to integrate comments and corrections submitted by critical readers, a normal process of validation for all historical reports and studies. -
"Propulsion : the key to space travel."
Cover has: P. D. Castenholz and H. K. Griggs, Advanced Systems, Advanced Projects Department. D. W. Hege, Manager, Advanced Projects. Paper regarding the importance of propulsion technology and the future missions that would require advancements in that field. -
"Materials in space exploration."
This paper presents a general review of major structural alloys that have been used in liquid rockets and space vehicles, the current state-of-the-art as applied to the Apollo launch vehicle systems, and discusses some materials currently under development for future requirements in vehicles for space exploration. Some aspects of the importance of corrosion resistant materials and suitable protective measures are discussed, as applied to both flight hardware and associated ground support equipment. -
"Flight Control Computer for Saturn Space Vehicles."
The flight control computer for Saturn receives attitude signals from the stable platform, rate signals from rate gyros or lead networks, and angle-of-attack information from body-fixed accelerometers or other sensors. -
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HIV Incidence in the United States 2021
A chart of the new HIV infections in the United States in 2021 by geographic region -
Historic Places in Central Alabama, A Preliminary Inventory, 1973
This section contains a report cataloging historical events and sites in different counties in Alabama. One section centers around different Native American tribes and their histories/developments.