Welcome onboard Drukair, Royal Bhutan Airlines from Bangkok to Paro in Bhutan, the only international airport in the kingdom. Surrounded by high peaks of 5.500 meters, it is rated as one of the world's most challenging airports for landing. Our goal is the Royal Thimphu College (RTC), a private college near the capital Thimphu. Here we set up our Radio stations and antennas and were under the callsign A5A on the HF-Bands QRV.