A global model for the height of the F2-peak using M3000 values from the CCIR numerical map
A global model for the height of the F2-peak using M3000 values from the CCIR numerical map
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发表时间：
1979-09
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通讯作者：
D. Bilitza;R. Eyfrig
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作者：
D. Bilitza;R. Eyfrig
国际无线电协商委员会（CCIR）已经制定了每月中位数M(3000)F2（一个给出距离为3000公里的最大可用频率与垂直临界频率之比的因子）的绘图程序。本文比较了利用CCIR M3000值获取峰值高度hmF2的不同方法，该研究对国际参考电离层计划有贡献。研究发现，当使用更多的系数时，全局描述模型得到了改进，特别是Dudeney关系和bilitza - eyfrigi - sheikh关系令人满意。
The International Radio Consultative Committee (CCIR) has established a mapping procedure for monthly median M(3000)F2 (a factor which gives the ratio of the maximum usable frequency over a distance of 3000 km and vertical critical frequency). The present paper compares different methods for obtaining the peak altitude hmF2 using CCIR M3000 values the study is a contribution to the International Reference Ionosphere Project. It is found that global descriptive models are improved when more coefficients are used in particular, Dudeney's relation and that of Bilitza-Eyfrig-Sheikh were found to be satisfactory.