Knut Haugland Heyerdahl in 1944 at a paramilitary training camp in England. It was here that Haugland first heard of Heyerdahl's theories about Polynesian migration patterns, and his plans to cross the Pacific on a balsa wood raft. In 1947 Haugland was invited by Heyerdahl to join the Kon-Tiki expedition as a radio operator. On the expedition Haugland and Torstein Raaby (another former resistance member) were in frequent radio contact with American amateur operators, sending meteorological and hydrographic data to be passed on to the Meteorological Institute in Washington, DC. Despite the tiny radio which had an output of only 6 watts,
Tuamotuan language they were settled c. 700 AD by people from the Society Islands. Europeans first discovered the islands in 1521, when Ferdinand Magellan reached them while sailing across the Pacific Ocean. Subsequent explorers visited the islands over the centuries, including Thor Heyerdahl, the famous Norwegian ethnographer who sailed the Kon-Tiki expedition across the Pacific in 1947. The effects of early European visits were marginal as they had no political effects. The language, however, was ultimately affected by the Tahitian language, which was itself affected by European expansion. The eventual arrival of European missionaries in the 19th century also led to loanwords,