PERSONAL POSITIONING SATELLITE NAVIGATOR WITH PRINTED QUADRIFILAR HELICAL ANTENNA

摘要

a navigation unit (10) for receiving navigation signals from a signal source, such as global positioning satellites. the navigation unit is designed to be mounted in a frame and connected to an antenna set at a distance, as well as to operate separately and independently by using a helical antenna (14) mounted directly.the preferred antenna (14) includes antenna consisting of a thin film of conductive material (50) is printed on a flexible substrate (46) wound in a tubular configuration.