Television and radio broadcasting services; diffusion of television programmes; operation of earth-to-satellite television transitters for transmission of signals to satellite; relaying of television programmes by satellite; operation of satellite-to-earth receiver aerials; frequency conversion of microwave signals relayed by satellite; dissemination of television programmes relayed by satellite receiver aerials by cable or by microwave link to television receivers of users; operation of television cable networks; provision and operation of radio, telephone, telegraph, satellite and of cable network communications systems; videotext and teletext transmission services; electronic and telecomminication transmission services; transmission of data and of information by electronic, computer, cable, radio, radiopaging, teleprinter, teleletter, electronic mail, fax machine, television, microwave, laser beam, communications satellite or other communications means; provision of communication facilities for the interchange of data by electronic means; consultancy services relating to data communications; rental of communication apparatus