FIELD: radio engineering, communication.
SUBSTANCE: two or more satellite positioning system (SPS) signals are received in a receiver at associated two or more carrier frequencies and said two or more received SPS signals are down-converted in a single channel of the receiver according to the common heterodyne frequency.
EFFECT: enabling reception and processing of signals of different satellite positioning systems in one receiving channel at different frequencies.
17 cl, 7 dwg
Authors
Dates
2013-05-10—Published
2008-12-18—Filed