The invention relates to an antenna (10) for receiving vertically-polarised high frequency (HF) band radio signals. It is suitable for use as a low-profile antenna for applications where compactness is a key requirement. The antenna (10) comprises a conductor plate (12), an elongate conductor member (22) and an amplifier (20), wherein the conductor member (22) extends substantially orthogonally from the conductor plate (12) and provides an electrical path between the conductor plate (12) and the amplifier (20).