Business Review 1996/1997

Research and Development

Computing and Propagation Modelling

In-house expertise in the mathematical modelling of radiowave propagation has continued to develop. Two additional specialists were appointed during the year, and two more may be appointed in 1997. This has meant that propagation software modules forming part of business systems used to issue licenses are increasingly being supplied from within the Agency. This has demonstrated a number of advantages, particularly a close awareness of the technical requirements, and flexibility in matching them to internationally recognised methods.
The Agency's propagation specialists also contribute substantially to the Propagation Study Group within the International Telecommunication Union. This has included the development and international acceptance of a simpler and more accurate replacement for the diffraction model in ITU Recommendation 526.

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