the present invention provides systems and methods for reducing the ‘ cold start ’ ttff of navigation receivers . the systems and methods receive geographical information from a user , such as the nearest city , state or country , and use this geographical information to approximate the position of the receiver . the systems and methods then make use of the approximate position to reduce the ‘ cold start ’ ttff . in an embodiment , the approximate position of the receiver is determined from a co - ordinate database in the receiver based on the geographical information provided by the user . in another embodiment , a user provides geographical information to the receiver through a displayed map with several stages of zooming capability .