A positioning signal reception device receives a positioning signal
transmitted from a position information satellite, and includes: a signal
reception portion that obtains a reception signal by receiving the
positioning signal; an A/D conversion portion that generates a digital
signal by converting the reception signal into a digital form; a filter
portion that subjects the digital signal to frequency separation, a
characteristic of the filter portion being changeable; a filter
characteristic change portion that changes the characteristic of the
filter portion according to an operating state of the positioning signal
reception device and an external environmental condition of the
positioning signal reception device; and a code synchronization
establishment portion that establishes synchronization of spreading codes
contained in the reception signal.