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Published online by Cambridge University Press: 13 January 2010
A series of six test broadcasts were recorded in the ICRC studios in 1966 and sent out on the short-wave band by the Schwarzenburg transmitter. We would add that the Radiocommunications Service during the past year studied 1,550 listeners' reports sent by 760 correspondents from 36 countries, and 61 tape recordings also sent by correspondents.