A book is sanctified to description of the satellite radionavigation systems of GPS - NAVSTAR (THE USA) and ГЛОНАСС (Russia) and their application in the different systems of determination of coordinates. To the book short information from a geodesy, necessary for understanding of the tasks decided at the position-fix of different objects, and description of the navigation programs of OziExplorer, is driven, НАВИТЕЛ NAVIGATOR, hybrid-type DEVICE Русса, PocketGPS Pro, ПалмГИСGPS of and other widely used in portable and hand-held computers, communicators and navigators with the function of account of travelling situation (including corks), and also popular cartographic editor MapEdit for creation of own maps (including routed) and their presentation in different cartographic formats. A book will be interesting for motorists, pedestrian, mountain, water and ski tourism lovers, for hunters, fishermen, pilots-amateurs, navigators small marine ships, for persons, engaging in monitoring of transport vehicles of and other Book will be useful also to the students and geodesic of students, radiotechnical, geological survey, marine and other educational establishments.