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Thomas Hobiger
Type of contribution: poster

Automated analysis of Kokee-Wettzell intensive sessions

Niko Kareinen, Earth and Space Sciences, Onsala Space Observatory, SE–439 92 Onsala Thomas Hobiger, Earth and Space Sciences, Onsala Space Observatory, SE–439 92 Onsala Rüdiger Haas, Earth and Space Sciences, Onsala Space Observatory, SE–439 92 Onsala

We present results from an automated analysis of IVS intensive sessions, carried out between 2001-2015 on the Kokee-Wettzell baseline. The analysis is based on the version 1 X- and S-band databases in Mark3 format, which means that ambiguity resolution and ionosphere correction need to be done within the automated analysis chain. We use the C5++ VLBI analysis software and process all available databases using several different analysis configurations and investigate the impact of a priori information on ambiguity resolution success rate and obtained UT1-UTC estimates. We also assess whether external information, i.e. cable delay and weather data extracted from the station log files, is required in order to obtain highly accurate UT1-UTC products. This will allow us to conclude whether the availability of external information is crucial for real-time analysis of intensive sessions, or if empirical models can be applied without a significant degradation of the target parameters.