GPS Receiver Performance Test at ROA

Abstract

Real Instituto y Observatorio de la Armada (ROA) carries out daily intercomparisons of time and frequency using the GPS satellite system. For this type of links and for high-precision global comparisons, the use of geodesic GPS receivers is highly recommended, because it provides the solution using code P1/P2 (P3) and also carrier phase (PPP). ROA has been operating two different class of these receivers: PolaRx2 (developed by Septentrio, Belgium) since 2005 and GTR50 (developed by DICOM, Czech Republic) since 2006. Although the last one was initially developed for time and frequency comparisons using the GPS Common View C/A method, this receiver can perform code and phase measurements and, after the issue of the last software version, it has provided the possibility of solution in carrier phase. In this paper, we present the comparison results of three GTR50 receivers, in two different setups: common clock and zero baseline. Also, comparison with PolaRx2 data are shown and analyzed.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 2008
Accession Number
ADA503351

Entities

People

  • Francisco J. Galindo
  • Hector Esteban
  • Jorge Garate
  • Juan Palacio

Tags

DTIC Thesaurus Topics

  • Antenna Configurations
  • Artificial Satellites
  • Clocks
  • Communication Satellites
  • Data Processing
  • Frequency
  • Frequency Standards
  • Geodetic Surveys
  • Global Navigation Satellite Systems
  • Jet Propulsion
  • Navigation
  • Navigation Satellites
  • Performance Tests
  • Phase Measurement
  • Standards
  • Time Interval Counters
  • Time Intervals

Readers

  • Positioning, Navigation, and Timing (PNT) Technology.

Technology Areas

  • Space