Prototype Design and Initial Test Evaluation of a Global-Positioning-System Time-Transfer Receiver (GPS TTR).

Abstract

Time-transfer equipment and techniques used with the NRL Navigation Technology Satellites have been modified and extended for use with the GPS satellites. A prototype receiver was built and field tested at NASA's Kennedy Spaceflight Center. The receiver uses the GPS L-band link at 1575 MHz with only the course-acquisition code to resolve a measured range to the satellite. A theoretical range is computed from the satellite ephemeris transmitted in the data message and the user's coordinates. Results of user offset from GPS time are obtained by differencing the measured and theoretical ranges and applying calibration corrections. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jul 27, 1982
Accession Number
ADA117909

Entities

People

  • Alick H. Frank
  • James A. Buisson
  • Mark J. Lister
  • O. Jay Oaks Jr.
  • Stanley R. Falvey

Organizations

  • United States Naval Research Laboratory

Tags

DTIC Thesaurus Topics

  • Acquisition
  • Artificial Satellites
  • Clocks
  • Field Tests
  • Global Positioning Systems
  • Ground Stations
  • Jet Propulsion
  • Loran
  • Measurement
  • Military Research
  • Navigation
  • Orbits
  • Range Finding
  • Spacecraft
  • Time Intervals
  • Tracking Stations
  • World Geodetic System

Readers

  • Aerospace Engineering.
  • Computational Modeling and Simulation
  • Positioning, Navigation, and Timing (PNT) Technology.

Technology Areas

  • Space
  • Space - Satellites