00787    a2200205   4500003000500000005001700005020001800022035001400040040000900054082001200063100002400075245014100099260004100240300001900281505021900300650001200519650001200531650003000543650000800573Nust20170207165830.0  a0-9655723-0-7  a001247950  cNust04a526.9821 aFrench, Gregory T..10aUnderstanding the GPS :(E-BOOK)ban introduction to the Global Positioning System : what it is and how it works /cby Gregory T. French.  aBethesda, MD. :bGeoResearch,c1996.  a255 s. :bill.  aPart I Introduction and Background. Part II Basic Signal Structure and Error. Part III Data Correction Techniques and High-Resolution Accuracy. Part IV Basic Geodesy, Data Collection Techniques and GPS Applications 7aGeodesi 7aGeodesy 7aGlobal Positioning System 7aGPS