A timing signal generation device includes a GPS receiver that performs a positioning calculation based on a satellite signal; and a digital signal processor that generates position information regarding a reception point based on a value present within a range of A±σ/4 wherein A is a most frequent value or a median value of a plurality of positioning calculation results of the GPS receiver and σ is a standard deviation of the plurality of positioning calculation results. A timing signal is generated based on the satellite signal from at least one position information satellite and the position information regarding the reception point.