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The TAIPPP pilot experiment

Time transfer techniques using GNSS carrier phase and code signals are increasingly used in time metrology. In order to study the introduction of these techniques for TAI computation, the BIPM initiated a pilot experiment, named TAIPPP, where time laboratories contribute GPS phase and code data and where the BIPM uses the Precise Point Positioning technique to generate monthly solutions, in slightly deferred time after the regular TAI computation. This paper reports on results obtained from this experiment after one year.