A screengrab shows the ITV logo, in London, on August 6, 2008. ITV, the biggest British commercial television network, said Wednesday that it suffered a first-half net loss of 1.537 billion pounds (1.9 billion euros, 3.0 billion dollars) due to huge impairment charges. The loss figure for the six months to the end of June compared with a net profit of 83 million pounds in the same period of last year, the group said in a results statement.