| http://www.w3.org/ns/prov#value | - A method of receiving a signal with a receiver, said signal transmitted at a predetermined carrier frequency from one of a plurality of transmitters, said signal including a waveform modulated according to a periodically-repeating pseudonoise (PN) sequence that uniquely identifies the transmitter that sent the signal, said signal used in determining a location of the receiver, said method comprisi
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