TY  - BOOK
AU  - Hurn,Jeff
TI  - GPS: : a guide to the next utility
U1  - 621.38/H96 21
PY  - 1989///
CY  - Sunnyvale, CA : 
PB  - Trimble Navigation, 
KW  - SISTEMA DE POSICIONAMIENTO GLOBAL
KW  - SATÉLITES ARTIFICIALES
N1  - Incluye glosario; 1. The basic idea - satellite ranging -- 2. Measuring your distance from a satellite -- 3. Getting perfect timing -- 4. Knowing where a satellite is in space -- 5. Ionospheric and atmospheric delays
ER  -