GPS made easy : using Global Positioning Systems in the outdoors /
Letham, Lawrence.
GPS made easy : using Global Positioning Systems in the outdoors / Global Positioning System made easy Lawrence Letham. - 4th ed., WAAS rev. - 208 p. : ill., maps ; 22 cm.
Includes bibliographical references (p. 205) and index.
0898868238 9780898868234
Outdoor recreation--Equipment and supplies.
Global Positioning System.
Orienteering--Equipment and supplies.
GV191.623 / .L48 2003
796.51/028/4
GPS made easy : using Global Positioning Systems in the outdoors / Global Positioning System made easy Lawrence Letham. - 4th ed., WAAS rev. - 208 p. : ill., maps ; 22 cm.
Includes bibliographical references (p. 205) and index.
0898868238 9780898868234
Outdoor recreation--Equipment and supplies.
Global Positioning System.
Orienteering--Equipment and supplies.
GV191.623 / .L48 2003
796.51/028/4