Accession Number:

AD0921522

Title:

Global Positioning System Control/User Segments. System/Design Trade Study Report

Descriptive Note:

Final rept.

Corporate Author:

GENERAL DYNAMICS CORP SAN DIEGO CA ELECTRONICS DIV

Personal Author(s):

Report Date:

1974-02-28

Pagination or Media Count:

428.0

Abstract:

This Trade Study Report documents the decision rationale used to resolve configuration design approaches. The trade studies presented are the major decision efforts required during this concept Definition Phase. The design of the Global Positioning System GPS for Phase I required evaluation of alternatives for a variety of design problems. The trade studies contained in this report are 1 Satellite Memory Loading, -- 2 Satellite Orbits, -- 3 Monitor Station Sites, -- 4 Control Segment Computers, -- 5 User Segment Computer, -- 6 User CostPerformance, -- 7 User Ionospheric Model, -- 8 User Ephemeris Model, -- 9 Ephemeris Determination.

Subject Categories:

  • Computer Hardware
  • Radiofrequency Wave Propagation
  • Unmanned Spacecraft
  • Radio Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE