Media Tenor tracked media coverage of political parties in periods of three months prior to elections to the Chamber of Deputies in 2006 and 2010. Czech Social Democratic Party enjoyed overwhelming media prevalence in a first analyzed period, Civic Democratic Party prevailed in 2010. Neither of instances resulted in a highest voting outcome for the most covered party. The research confirmed private news services to be keeping conservative approaches while (not) presenting new and not well-known political groups. They covered TOP 09 Party and Public Affairs Party (Věci veřejné) rather marginally in 2010. Researchers focused also on a coverage of chairmen of main parties and air-time enjoyed by politicians to quote own party or co-party members., Štěpán Sedláček, Pavel Herot., and Obsahuje seznam literatury