Patent ID: 7161527

Claim:
A navigation system comprising: a single antenna radar device comprising: a circulator; a transmitter in signal communication with the circulator for transmitting a radar signal using closed-loop modulation; a receiver in signal communication with the circulator and the transmitter, the receiver configured to receive reflections of the transmitted radar signal; and an analog-to-digital converter in signal communication with the receiver for outputting a digital signal of the received reflections; a chassis remotely located from the single antenna radar device, the chassis comprising: a radar altimeter processing component; an instrument landing system (ILS) component; an inertial navigation system (INS) component; a global positioning system (GPS) receiver component; and a controller being in data communication with the radar altimeter processing component, the ILS component, the INS component, and the GPS receiver component; and a data communication device coupled to the single antenna radar device and the controller, the data communication device includes at least one of an Ethernet cable or a fiber optics cable.