What is done with leakage values equal to or greater than 50 microvolts per meter (µVm) when calculating the network cumulative leakage index (CLI)?

When calculating the network cumulative leakage index (CLI), leakage values equal to or greater than 50 microvolts per meter (µVm) are squared, summed, and then a factor is applied. This approach is used because squaring the leakage values ensures that larger leakage values have a disproportionate effect on the cumulative index, emphasizing the importance of significant leakage points within the network. By summing these squared values, the calculation accurately reflects the total impact of the leakage on the network's performance.

The application of a factor after summation serves to normalize the values or to convert them into a more useful unit for analysis. This method provides a comprehensive view of the overall leakage performance, helping maintenance personnel prioritize repairs or improvements where necessary.

In contrast, ignoring the leakage values, adding them directly, or merely counting and reporting them does not adequately reflect the detrimental effects these leakages may have on network performance or signal integrity. Thus, the chosen method of squaring and summing these values is essential for effective network maintenance and management.