GPS made easy : using Global Positioning Systems in the outdoors / Lawrence Letham
| Main Author: | Letham, Lawrence |
|---|---|
| Format: | MONOGRAPHS |
| Language: | English |
| Published: |
Calgary, AB. : Rocky Mountain Books, 1998 |
| Edition: | 2nd ed. |
| Subjects: |
Global positioning system.
Outdoor recreation -- > Equipment and supplies. Orienteering -- > Equipment and supplies. Orientation. |
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