TY  - BOOK
AU  - Hurn,Jeff
TI  - GPS : : a guide to the next utility / 
PY  - 1989///
CY  - Sunnyvale : 
PB  - Trimble, 
KW  - GPS
KW  - SIG
KW  - SENSORES REMOTOS
N2  - 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
ER  -