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Radio Interference in Astronomical Observatories of China

  • B. Peng (a1), R. Nan (a1), T. Piao (a1), D. Jiang (a1), Y. Su (a1), R. G. Strom (a2), S. Wu (a1), X. Zhang (a1), L. Zhu (a1) and X. Liu (a1)...

Abstract

We first very briefly introduce the major radio facilities for astronomical research in China, and then report on the present interference situation at major radio observatories. Some of the radio interference problems are caused by paging services, mobile phone satellites, telemetry services for power supply, waterpower and earthquake activity, or radar systems, but some causes are unknown. In the worst case, harmful to radio astronomy, the Sesan VLBI station has not been able to do any observations at 92 cm due to serious radio interference problems since 1992. Still more serious interference coming from satellites can be expected in the next decade. International efforts on frequency protection should be urgently pursued if ground-based radio astronomy is to survive.

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References

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1 Beijing Astronomical Observatory, Chinese Academy of Sciences, Beijing 100012, China

2 Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China

3 Urumqi Astronomical Station, Chinese Academy of Sciences, Xinjiang 830011, China

Radio Interference in Astronomical Observatories of China

  • B. Peng (a1), R. Nan (a1), T. Piao (a1), D. Jiang (a1), Y. Su (a1), R. G. Strom (a2), S. Wu (a1), X. Zhang (a1), L. Zhu (a1) and X. Liu (a1)...

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