Hurn, Jeff.  <br/><br/>
Differential GPS explained :   an exposé of the surprisingly simple principles behind toda´s most advanced positioning technology /  
Jeff Hurn. 
 - Sunnyvale :   Trimble,   1993. 
 - 55 p. :   figuras 
<br/><br/> Foreword - Basic GPS review - What is differential GPS? - Why do we need DGPS? - How does DGPS work? - Who´s using DGPS - What´s next? - Glossary of GPS terms. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GPS<br/>GIS<br/>SENSORES REMOTOS
<br/><br/><label>Universal Decimal Class. No.: </label>528.835