A positive leap second will be introduced in the UTC time scale UTC(JATC)、UTC (CSAO) and UTC time signals of BPL、BPM transmittings at the end of June 1997. The sequence of dates of the UTC second markers will be:
文摘A positive leap second will be introduced in the UTC time scale UTC(JATC)、UTC (CSAO) and UTC time signals of BPL、BPM transmittings at the end of June 1997. The sequence of dates of the UTC second markers will be: