HF Broadcasting System Design


image of HF Broadcasting System Design

This Handbook provides practical and illustrative guidance (even to radio engineers not having been previously exposed to the specific task of High Frequeancy (HF)broadcasting service planning). Considerable effort has been made to meet the expectations of HF broadcasting engineers from the developing world. This publication includes relevant texts from existing ITU-R Recommendations as well as advanced material.




Annex 1 to Recommendation ITU-R PI.533 is based on the method developed by IWP 6/12 for the HF Planning Conference (WARC HFBC-84). The second session of the Conference (WARC HFBC-87) asked the ITU-R to improve the prediction method and IWP 6/1 has introduced some modifications in order to improve the accuracy. The method was known as of former CCIR Report 894 method before it became a part of the Recommendation.


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