DFS and Skyguide needed to verify GBAS radio signal coverage at complex airports to ensure safe, precise aircraft landings. Physical measurement alone could not account for future buildings or terrain effects. Using Altair Feko and WinProp, engineers modeled wave propagation, multipath interference, and signal strength across airport environments. Simulations closely matched measured data and allowed teams to evaluate design alternatives before construction. The solution reduced risk, improved planning confidence, and enabled proactive decision-making. Ultimately, Altair technology helped ensure reliable navigation signals and supported safer, more efficient aviation operations.

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