Patent ID: 6205377
Filing Date: 2001-03-20
Classification: G01S

Abstract:
A method for satellite supplementary navigation of a moving platform using a satellite data supplemented by a satellite- calibrated baro data; said moving platform including a satellite receiver and a barosensor; said method comprising the steps of:(a) checking whether a satellite configuration is substantially sufficient;(b) if said satellite configuration is substantially sufficient, acquiring a plurality of satellite signals from said substantially sufficient satellite configuration;(c) checking whether a set of satellite data obtained from said substantially sufficient satellite configuration utilizing said satellite receiver is substantially sufficient:(d) if said satellite configuration is substantially sufficient, and if said satellite data obtained from said substantially sufficient satellite configuration utilizing said satellite receiver is substantially sufficient, utilizing said satellite data for obtaining position fixes of said moving platform; and(e) if said satellite configuration is not substantially sufficient, or if said satellite data obtained from said substantially sufficient satellite configuration is not substantially sufficient, supplementing said satellite data by said satellite-calibrated baro data obtained utilizing said barosensor.