Abstract. The Polish independent atomic timescale TA(PL) was officially started on 4 July 2001. It is currently based on the indications of nine clocks from several Polish laboratories and Lithuania. The clocks at the laboratories are compared using TTS-2 multi-channel GPS receivers developed in cooperation with the Bureau International des Poids et Mesures (BIPM). The participating institutions are linked to the Central Office of Measures (GUM) in Warsaw. TA(PL) is computed as a weighted average of the participating clocks. This paper presents the clock ensemble, the data processing outline, and some experimental results.

Print publication: Issue 3 (June 2003)
Received 4 September 2002
Published 5 June 2003