The Boeing Company

Andrey Tolstov

Rongsheng Li

Tung-Ching Tsao

Chang Jin Yoo

Cody L Gruebele

Kenneth Cecil Clark

Methods and apparatus to reduce communications for position, navigation and timing (PNT) determinations are disclosed. A disclosed example apparatus to enable PNT determination for a mobile station includes at least one memory, machine readable instructions, and processor circuitry to at least one of instantiate or execute the machine readable instructions to identify features of signals of opportunity (SOOP) measured at a reference station, generate a model based on the identified features of the SOOP in conjunction with a position and a timing of the reference station, and provide at least one of the model or parameters associated with the model to the mobile station for the PNT determination.

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Höhenkirchen-Siegertsbrunn, Germany

Andrey Tolstov