Cargando…
The global positioning system : reviews of lower cost modernization efforts and risk mitigation of GPS disruptions /
The GPS-a space-based satellite system that provides positioning, navigation, and timing data to users worldwide-has become an essential U.S. national security asset and component in daily life. The GPS program is being modernized to enhance its performance, accuracy and integrity. This book assesse...
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York :
Nova Publishers,
[2015]
|
| Colección: | Space science, exploration and policies series.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- THE GLOBAL POSITIONING SYSTEM: REVIEWS OF LOWER COST MODERNIZATION EFFORTS AND RISK MITIGATION OF GPS DISRUPTIONS; THE GLOBAL POSITIONING SYSTEM: REVIEWS OF LOWER COST MODERNIZATION EFFORTS AND RISK MITIGATION OF GPS DISRUPTIONS; Library of Congress Cataloging-in-Publication Data; CONTENTS; PREFACE; Chapter 1: GLOBAL POSITIONING SYSTEM: A COMPREHENSIVE ASSESSMENT OF POTENTIAL OPTIONS AND RELATED COSTS IS NEEDED; ABBREVIATIONS; WHY GAO DID THIS STUDY; WHAT GAO RECOMMENDS; WHAT GAO FOUND; BACKGROUND; COMMITTEE REQUIREMENTS BROADLY ADDRESSED BUT CONSTELLATION SIZE REMAINS A KEY ISSUE.
- MORE INFORMATION ON KEY COST DRIVERS AND COST ESTIMATES, AND BROADER INPUT FROM STAKEHOLDERS ARE IMPORTANT FOR FUTURE INVESTMENT DECISIONSCONCLUSION; RECOMMENDATIONS FOR EXECUTIVE ACTION; AGENCY COMMENTS AND OUR EVALUATION; APPENDIX I: SCOPE AND METHODOLOGY; Chapter 2: LOWER COST SOLUTIONS FOR PROVIDING GLOBAL POSITIONING SYSTEM (GPS) CAPABILITY; 1. INTRODUCTION; 2. EXECUTIVE SUMMARY; 3. REPORT; SUMMARY; REFERENCES; Chapter 3: GPS DISRUPTIONS: EFFORTS TO ASSESS RISKS TO CRITICAL INFRASTRUCTURE AND COORDINATE AGENCY ACTIONS SHOULD BE ENHANCED; WHY GAO DID THIS STUDY; WHAT GAO RECOMMENDS.
- WHAT GAO FOUNDABBREVIATIONS; BACKGROUND; DHS COMPLETED A RISK ASSESSMENT FOR GPS, BUT IT IS INCOMPLETE AND DOES NOT FULLY CONFORM TO GUIDANCE; DOT AND DHS HAVE INITIATED MITIGATION EFFORTS, BUT HAVE NOT MET ALL REQUIREMENTS; SELECT CRITICAL INFRASTRUCTURE SECTORS EMPLOY VARIOUS MITIGATION STRATEGIES, BUT DHS HAS NOT MEASURED THE EFFECTIVENESS OF THESE EFFORTS; CONCLUSION; RECOMMENDATIONS FOR EXECUTIVE ACTION; AGENCY COMMENTS AND OUR EVALUATION; APPENDIX I: OBJECTIVES, SCOPE, AND METHODOLOGY; Blank Page; INDEX.