Patent ID: 9671498
Date: 2017-06-06
CPC Classifications: G01S

Claim:
1. A GPS receiving apparatus comprising: a GPS receiver which receives a GPS signal and obtains GPS information from the received signal; a first storage which stores the GPS information obtained by the GPS receiver; and a processor which is configured to: wherein the reception operation starts with the second mode without judging whether or not GPS information is within the period of validity in a case in which it is judged that the GPS receiving apparatus has moved the predetermined distance or more from the first position, wherein the reception operation starts with the first mode in a case in which (i) it is judged that the GPS receiving apparatus has not moved the predetermined distance or more from the first position and (ii) it is judged that the GPS information is within the period of validity, and wherein the reception operation starts with the second mode in a case in which (i) it is judged that the GPS receiving apparatus has not moved the predetermined distance or more from the first position and (ii) it is judged that the GPS information is not within the period of validity.