Tool kits by Garrett Seepersad
GNSS Hardware Database
Database of over 150 different types of GNSS receivers |
GNSS Product Downloader
Web based application that retrieves GPS satellite clock and orbits |
Date Conversion Utility
Web based application that convert dates from common time systems to GPS week + DOW, Year + DOY, MJD, Decimal year and YYYY/MM/DD |
Automated downloading of IGS reference station observation files and IGS satellite products
Script utilizes MATLAB and bat scripts to connect to an FTP server to automatically download receiver and satellite data sets for processing. Re-computation of the calculations from Collins (1999), "An overview of GPS inter-frequency carrier phase combinations."
Collins (1999) examined the inter-frequency combinations available from dual frequency GPS carrier phase observations. The presented spreadsheet shows the re-computation of Tables 1 to 5. |