CLOCK SYNCHRONIZATION EXPERIMENT IN INDIA USING SYMPHONIE SATELLITE.

被引:0
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作者
Somayajulu, Y.V.
Mathur, B.S.
Banerjee, P.
Garg, S.C.
Singh, Lakha
Sood, P.C.
Tyagi, Tuhi Ram
Jain, C.L.
Kumar, K.
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关键词
TELECOMMUNICATION SYSTEMS; SATELLITE RELAY - Applications;
D O I
10.1080/03772063.1979.11451999
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摘要
A recent clock synchronization experiment between the National Physical Laboratory, New Delhi and the Space Applications Centre, Ahmedabad via geostationary satellite symphonie-II, stationed at 49 degree E longitude, is reported in this paper. As only one satellite transponder was available for this experiment, the two-way transmission of the clock pulses was carried out by switching the transmit-receive roles at the two stations at 5 minute intervals to achieve a nearly simultaneous two-way transmission. Taking into account all the additional delays, the results demonstrated a clock synchronization accuracy of better than 0. 5 mu s. A crystal-based portable clock flown aboard an aircraft confirmed this clock synchronization to within a microsecond.
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页码:481 / 487
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