ITU-R OPINION 71-2-1993 Documentation of Time Transmissions《时间传输文件》.pdf
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ITU-R OPINION 71-2-1993 Documentation of Time Transmissions《时间传输文件》.pdf
1、Op. ITU-R 71-2 OPINION ITU-R 7 1 -2* 1 DOCUMENTATION OF TIME TRANSMISSIONS (1982-1986-1993) The ITU Radiocommunication Assembly, considering a) the rate; that transmitted time signals are kept within various accuracy limits by the introduction of steps or changes in b) in accordance with Article 33,
2、 No. 2771 of the Radio Regulations and Resolution ITU-R 28; that each Administration furnishes current information concerning adjustments to frequency and time signals cl introduction of coordinated universal time (UTC), and that the relevant details are not readily available; that there have been d
3、ifferent values of the steps and changes of the rates in the different countries before the d) that these data could be necessary for future analysis, is of the opinion 1. that all administrations operating a standard-frequency time-signal service should document the details of significant adjustmen
4、ts to frequencies and time-scales and specifically should publish the amount and date of time steps and rate changes in their emissions and also communicate the data to the Bureau international des poids et mesures (BIPM). * This Opinion should be brought to the attention of the authorities responsible for standard-frequency and time-signal services listed in Recommendation ITU-R TF.768.
