Aerial amplifiers; Antenna filters; Antennas comprised primarily of paper clips; Antennas for radio, for television; Antennas for wireless communications apparatus; Car antennas; Dish antennas; High frequency mobile and sea-based communication antennas; Microwave antennas; Parabolic antennas; Radio-frequency antennas; Radio antennas; Satellite aerials; Television antennas; Vehicle locating, tracking and security system comprised of an antenna and radio transmitter to be placed in a vehicle