1
Robert V Janc, Steven C Jasper: Digital global positioning system receiver. Motorola, Thomas G Berry, November 15, 1988: US04785463 (404 worldwide citation)

A digital receiver for GPS C/A-code signals is described. The GPS receiver of the present invention provides reception and tracking a plurality of satellites simultaneously, using four separate receiver channels. The GPS receiver of the present invention includes an analog front-end for selecting an ...


2
Thomas M King, Howard L Kennedy: Two channel global positioning system receiver. Motorola, Frank J Bogacz, December 29, 1992: US05175557 (37 worldwide citation)

A method and apparatus for operating a two channel digital global positioning system receiver for receiving coded satellite signals from each of a plurality of satellites, where the signals exhibit Doppler shifts. The method comprises the steps of continuously tracking of a particular one of the sat ...


3
King Thomas Michael, Kennedy Howard L: Two channel global positioning system receiver.. Motorola, February 3, 1993: EP0526040-A2 (14 worldwide citation)

A method and apparatus for operating a two channel (24, 25) digital global positioning system receiver (18) for receiving coded satellite signals from each of a plurality of satellites (A, B, C, D, E, F), where the signals exhibit Doppler shifts. The method comprises the steps of continuously tracki ...