PREP(calculateAirDensity); PREP(calculateBarometricPressure); PREP(calculateDensityAltitude); PREP(calculateDewPoint); PREP(calculateHeatIndex); PREP(calculateOxygenDensity); PREP(calculateRoughnessLength); PREP(calculateSpeedOfSound); PREP(calculateTemperatureAtHeight); PREP(calculateWetBulb); PREP(calculateWindChill); PREP(calculateWindSpeed); PREP(displayAirTemp); PREP(displayWindInfo); PREP(getApproximateAirTemp); PREP(getMapData); PREP(initModuleSettings); PREP(initWind); PREP(updateHumidity); PREP(updateTemperature); PREP(updateWeather); PREP(updateWind);