1. Letter from the Editor: The IGS Special Issue

   • Jim Ray

   Legacy 01 April 2001 Pages: 1 - 1

2. IGS Near Real-Time Products and Their Applications

   • Peng Fang
   • Gerd Gendt
   • Tony Mannucci

   FEATURE ARTICLES 01 April 2001 Pages: 2 - 8

3. Galileo Constellation Design

   • Álvaro Mozo-García
   • Esperanza Herráiz-Monseco
   • Miguel M. Romay-Merino

   FEATURE ARTICLES 01 April 2001 Pages: 9 - 15

4. The Role of Ground-Based GPS Meteorological Observations in Numerical Weather Prediction

   • Seth I. Gutman
   • Stanley G. Benjamin

   FEATURE ARTICLES 01 April 2001 Pages: 16 - 24

5. Examining the C1-P1 Pseudorange Bias

   • David C. Jefferson
   • Michael B. Heflin
   • Ronald J. Muellerschoen

   FEATURE ARTICLES 01 April 2001 Pages: 25 - 30

6. New IGS Station and Satellite Clock Combination

   • Jan Kouba
   • Tim Springer

   FEATURE ARTICLES 01 April 2001 Pages: 31 - 36

7. A Comparison of Absolute and Relative GPS Antenna Calibrations

   • Gerald L. Mader

   FEATURE ARTICLES 01 April 2001 Pages: 37 - 40

8. Absolute Calibration of an Ashtech Z12-T GPS Receiver

   • Gérard Petit
   • Zhiheng Jiang
   • Edward Powers

   FEATURE ARTICLES 01 April 2001 Pages: 41 - 46

9. Progress in Carrier Phase Time Transfer

   • Jim Ray
   • Felicitas Arias
   • Jan Johansson

   FEATURE ARTICLES 01 April 2001 Pages: 47 - 54

10. Comparison of Absolute and Relative Antenna Phase Center Variations

    • Markus Rothacher

    FEATURE ARTICLES 01 April 2001 Pages: 55 - 60

11. The International GLONASS Service – Pilot Project

    • Robert Weber
    • James A. Slater

    FEATURE ARTICLES 01 April 2001 Pages: 61 - 67

12. Potential Interests of the IGS for the Galileo System

    • Pascal Willis
    • John M. Dow

    FEATURE ARTICLES 01 April 2001 Pages: 68 - 71