The IGS reprocessing campaign involves processing all the available GPS data from 1994 to 2008 us... more The IGS reprocessing campaign involves processing all the available GPS data from 1994 to 2008 using the current state-of-the-art techniques. This lofty goal can be proposed and accomplished nowadays due to the availability of cheap high-end computing power and of very efficient new GNSS estimation software. The aims of this initial reprocessing effort at the IGS derive from the need to have consistent products from the start of the service back in 1994. Once completed the reprocessed products will become the official IGS Final products. The existing discontinuities in the IGS product lines (orbits, clocks, station positions, etc) have occurred as new ITRF versions have been adopted over time, and as we switched from relative to absolute antenna phase center calibrations. Having continuous IGS products will assist all Earth Science research that uses historical GPS data by providing better orbit and clocks and better stations positions fully consistent over the entire IGS timeframe....
The IGS reprocessing campaign involves processing all the available GPS data from 1994 to 2008 us... more The IGS reprocessing campaign involves processing all the available GPS data from 1994 to 2008 using the current state-of-the-art techniques. This lofty goal can be proposed and accomplished nowadays due to the availability of cheap high-end computing power and of very efficient new GNSS estimation software. The aims of this initial reprocessing effort at the IGS derive from the need to have consistent products from the start of the service back in 1994. Once completed the reprocessed products will become the official IGS Final products. The existing discontinuities in the IGS product lines (orbits, clocks, station positions, etc) have occurred as new ITRF versions have been adopted over time, and as we switched from relative to absolute antenna phase center calibrations. Having continuous IGS products will assist all Earth Science research that uses historical GPS data by providing better orbit and clocks and better stations positions fully consistent over the entire IGS timeframe....
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Papers by Ignacio Romero