Antennas; satellite dishes; satellite antennas; television antennas; antennas for telecommunications networks; radio signal antennas; component parts for antennas; filters for antennas; antennas for wireless communications apparatus; antenna parameter measuring apparatus; zone plate antennas; masts for aerials; aerial combiners; aerial converters; magnetic wires; fuse wire; light conducting filaments; antenna transmission wire; antenna positioners; aerial sockets; electronic signal transmissi...