PERSONAL POSITIONING SATELLITE NAVIGATOR WITH PRINTED QUADRIFILAR HELICAL ANTENNA

摘要

A navigation unit (10) for receiving navigation signals from a source thereof such as global positioning satellites is configured to rack mount and connect with a remote fixed antenna and for detached, self-powered operation using a directly mounted helical antenna (14). The preferred antenna (14) includes antenna elements composed of a thin film of conductive material (50) printed on a flexible substrate (46) rolled into a tubular configuration.