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<img width="215" height="215" data-tf-not-load src="https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1.jpg" class="attachment-full size-full wp-post-image" alt="Dave Ulmer" decoding="async" srcset="https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1.jpg 215w, https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-150x150.jpg 150w, https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-160x160.jpg 160w, https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-320x320.jpg 320w, https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-65x65.jpg 65w" sizes="(max-width: 215px) 100vw, 215px" />
<img decoding="async" class="size-full wp-image-24520" data-tf-not-load src="http://vid.geekazine.com/dith/uploads/2015/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1.jpg" alt="Dave Ulmer" width="215" height="215" srcset="https://dayintechhistory.com/wp-content/uploads/2015/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1.jpg 215w, https://dayintechhistory.com/wp-content/uploads/2015/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-150x150.jpg 150w, https://dayintechhistory.com/wp-content/uploads/2015/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-160x160.jpg 160w, https://dayintechhistory.com/wp-content/uploads/2015/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-320x320.jpg 320w" sizes="(max-width: 215px) 100vw, 215px" />Dave Ulmer2000 – Up until May 1, all GPS signals were scrambled for protection. President Bill Clinton announced they would be turning off the Selective Availability (SA) because it didn’t propose a greater threat. But it also gave geeks something new to play with. But what to do?
Dave Ulmer ultimately started the GeoCaching phenomenon. He hid a bunch of trinkets out in the woods of Portland, Oregon. He then went to the USENET group sci.geo.satellite-nav and stated “If you take something, leave something”.
The Usenet message:
—
Now that SA is off we can start a worldwide Stash Game!! With
I’m thinking of half burying a five gallon plastic bucket with
I’ll look for a place near a road where few people would
Make your own stash in a unique location, put in some stuff and
Dave…
He also made a video, which has the container and contents.
4.6
55 ratings
<img width="215" height="215" data-tf-not-load src="https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1.jpg" class="attachment-full size-full wp-post-image" alt="Dave Ulmer" decoding="async" srcset="https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1.jpg 215w, https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-150x150.jpg 150w, https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-160x160.jpg 160w, https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-320x320.jpg 320w, https://dayintechhistory.com/wp-content/uploads/2019/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-65x65.jpg 65w" sizes="(max-width: 215px) 100vw, 215px" />
<img decoding="async" class="size-full wp-image-24520" data-tf-not-load src="http://vid.geekazine.com/dith/uploads/2015/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1.jpg" alt="Dave Ulmer" width="215" height="215" srcset="https://dayintechhistory.com/wp-content/uploads/2015/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1.jpg 215w, https://dayintechhistory.com/wp-content/uploads/2015/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-150x150.jpg 150w, https://dayintechhistory.com/wp-content/uploads/2015/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-160x160.jpg 160w, https://dayintechhistory.com/wp-content/uploads/2015/05/c2b6d6bb-c3e4-48ea-9ed6-57f9126d71dc1-320x320.jpg 320w" sizes="(max-width: 215px) 100vw, 215px" />Dave Ulmer2000 – Up until May 1, all GPS signals were scrambled for protection. President Bill Clinton announced they would be turning off the Selective Availability (SA) because it didn’t propose a greater threat. But it also gave geeks something new to play with. But what to do?
Dave Ulmer ultimately started the GeoCaching phenomenon. He hid a bunch of trinkets out in the woods of Portland, Oregon. He then went to the USENET group sci.geo.satellite-nav and stated “If you take something, leave something”.
The Usenet message:
—
Now that SA is off we can start a worldwide Stash Game!! With
I’m thinking of half burying a five gallon plastic bucket with
I’ll look for a place near a road where few people would
Make your own stash in a unique location, put in some stuff and
Dave…
He also made a video, which has the container and contents.
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