[80% Steve, 20% Alfred] ------- Probability of Clear Skies = (Age of newest equipment in days) / [(Number of observers) * (Total Aperture of all telescopes present in mm)]
I think there's too much interference in singapore to do radio astronomy. In the US, amateurs who do it have to stay far from cities to get better reception.. I wouldn't wanna spend money building a dish just to hear Perfect 10 98.7FM