Hamilton Reef
04-03-2003, 05:13 AM
High-tech tracking for junk
With GPS navigation, geocachers hunt quarry Geocaching began three years ago. That's when President Bill Clinton decided that it no longer made sense for the military to insist on using SA -- selective availability -- with the global positioning system network.
http://www.freep.com/sports/outdoors/cach3_20030403.htm
ALSO:
GPS units are inexpensive and accurate
http://www.freep.com/sports/outdoors/oside3_20030403.htm
With GPS navigation, geocachers hunt quarry Geocaching began three years ago. That's when President Bill Clinton decided that it no longer made sense for the military to insist on using SA -- selective availability -- with the global positioning system network.
http://www.freep.com/sports/outdoors/cach3_20030403.htm
ALSO:
GPS units are inexpensive and accurate
http://www.freep.com/sports/outdoors/oside3_20030403.htm