Program evaluation (41 - 44 of 44 items)
The SEASAT-A Project: Where It Stands Today
PSAD-77-126: Published: Sep 16, 1977. Publicly Released: Sep 16, 1977.
SEASAT-A is an ocean dynamics satellite scheduled for launch in 1978 with sensors to measure winds, waves, ocean currents, sea temperatures, ice coverage, and atmospheric and water vapor.The National Aeronautics and Space Administration (NASA) has experienced cost, schedule, and performance difficulties with the SEASAT-A because of technical problems and an estimated $5 million increase in the cos...
Status of the NAVSTAR Global Positioning System
PSAD-77-23: Published: Mar 2, 1977. Publicly Released: Mar 2, 1977.
The NAVSTAR Global Positioning System (GPS) is a space-based radio navigation system designed to provide users with worldwide three-dimensional position and velocity information. The system consists of three segments: (1) space satellites that transmit radio signals; (2) ground-based monitoring equipment; and (3) user equipment for a variety of service applications. Initial operational capability...
Status and Issues Relating to the Space Transportation System
PSAD-76-73: Published: Apr 21, 1976. Publicly Released: Apr 21, 1976.
No summary is currently available...