The Role of Laser Ranging for Calibrating Jason-1: The Corsica Tracking Campaign
Abstract:The French Transportable Laser Ranging System (FTLRS), a highly transportable Satellite Laser Ranging (SLR) instrument, was set up in Corsica (from January to September 2002) for participating to the JASON-1 altimeter verification phase. In addition to the tracking of oceanographic satellite missions and in order to perform an accurate positioning, the FTLRS also acquired laser ranging data on geodetic satellites, STARLETTE and STELLA essentially. The paper describes the analysis strategy mainly based on the use of a short-arc orbit technique to compute accurate 1 cm local orbits, and then the geocentric positioning (2–3 mm relative to GPS). Finally, we established the JASON-1 absolute calibration value, based on 9 SLR short-arcs (between cycles 1 and 26), at 108.2 ± 8.7 mm; the 10-day repeatability is of 26.1 mm showing that a great accuracy has been reached.
Document Type: Research Article
Affiliations: 1: Observatoire de la Côte d'Azur - GEMINI Grasse France 2: Observatoire de la Côte d'Azur - CERGA Grasse France and IGN/ENSG/LAREG Champs-sur-Marne France 3: Observatoire de la Côte d'Azur - CERGA Grasse France
Publication date: 2004-01-01