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Satellite transponder list download4/10/2023 In addition, with the Galileo constellation on the horizon and the possibility of more GPS satellites with retro-reflectors, the ILRS had to improve both day- and night-time ranging to high satellites, which means improving our prediction capability. The previous prediction format could not accommodate this need. Some of these were to be launched in the near future. Remote receivers and transponders were on the horizon for the moon, planets and extraterrestrial missions. These procedures had worked well through the years, but new requirements made it necessary to update our prediction techniques. Lunar laser ranging stations have used multi-year ephemeris with lunar and planetary ephemeris software packages. ![]() This format consists of daily satellite state vector (x,y,and z positions and velocities at a given time plus other parameters) tuned to specific field integrator software and gravity field to provide maximum accuracy over the integration period. ![]() ![]() ![]() Prior to June 2008, the satellite laser ranging stations used the standard 'Tuned IRV' prediction format. Consolidated Prediction Format (CPF) Version 1.00 Superseded by CPF v2.00 on 1 October 2021
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