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,
Thor Heyerdahl with steps like those in Peru. But all over Polynesia, Heyerdahl found indications that Tiki's peaceable race had not been able to hold the islands alone for long. He found evidence that suggested that seagoing war canoes as large as Viking ships and lashed together two and two had brought Stone Age Northwest American Indians to Polynesia around 1100 , and they mingled with Tiki's people. The oral history of the people of Easter Island, at least as it was documented by Heyerdahl, is completely consistent with this theory, as is the archaeological record he examined (Heyerdahl 1958). In particular,