An Important Announcement of CSAO

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<正> The Time Signal Station BPM of the Ahaanxi Astronomical Observatory Chinese Academy of Sciences will soon formally start transmittingwith standard time and standard frequency from July the first 1981. Andthe Time Signal Station BPY will cease operating at the same time mentioned above. Notice is hereby given that:1. The antenna location of Station BPM is about:λ= +109°31′, φ= +35°00′.2.Station BPM will transmite time signal BPMc. In order to avoidthe mutual interferences, time......(本文共计1页)       [继续阅读本文]