GPS : a guide to the next utility /
Jeff Hurn.
- Sunnyvale : Trimble, 1989.
- 76 p. : figuras
What is GPS? - How GPS work, in five easy steps - The basic idea, satellite ranging - Measuring your distance from a satellite - Getting perfect timing - Knowing where a satellite is in space - Ionospheric and atmospheric delays - Pseudo-random code, the inside story - Differential GPS, the ultimate in accuracy - Selecting a GPS receiver - Glossary of GPS terms.