This page contains publicly available documentation regarding CDAAC data sets.

• Introduction

• Past Updates

• Glossary

• Bit Grabber - The cosmic data bit streamer (CDBS) - Software User Guide

• Bit Grabber - User-guide for the OpenGPS LCD

• BlackJack to RINEX translator - (This is a .tar.gz file)

• LEO Precision Orbit Determination

• Center of Mass Estimates For COSMIC Spacecraft - Provided by NSPO

• GPS Antenna Locations and Alignments For COSMIC Spacecraft - Provided by NSPO

• COSMIC Spacecraft Geometry in Body-Fixed Coordinate System with GPS Antenna Identification

• COSMIC GPS Antenna (Sensor) Offsets wrt Spacecraft Center of Mass, Sensor Boresight Vectors, Sensor Azimuth Vectors

• COSMIC GPS Antenna Phase Center Offsets wrt Sensor Offsets (computed from Anechoic chamber tests by UCAR)

• COSMIC S4 Data

• Algorithms for processing GPS data into absolute Total Electron Content (aTEC) along LEO-GPS links

• Ionospheric data inversion (GMRION)

• Atmospheric data inversion (ROAM)

• Tiny Ionospheric Photometer (TIP)

• One dimensional variational moisture assimilation (1DVAR)

• Some caveats regarding CHAMP and SAC-C processing

• Determining heights of strong inversion layers (depth of the boundary layer) from COSMIC