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ITU-R P.842

5th Edition, September 1, 2013

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Computation of reliability and compatibility of HF radio systems

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Description / Abstract:

This Recommendation provides methods for the prediction of the reliability and compatibility of HF radio systems.

The ITU Radiocommunication Assembly,


a) that the reliability of a radio system is defined as the probability that a required performance is achieved;

b) that reliability is a figure of merit of performance;

c) that compatibility is a measure of the degradation caused by interference to the performance of a radio system;

d) that predicted reliabilities and compatibilities are valuable in the selection of preferred combinations of antennas (including, where necessary, their design optimization), frequencies and necessary transmitter power to achieve a desired performance,


that the following methods for calculating the various types of reliability and compatibility should be used in the planning and design of radio systems.