Page "Geocaching" Paragraph 42
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Traditionally, this means that the seeker has an electronic means of viewing the cache information in the field, such as pre-downloading the information to a PDA or other electronic device.
Newer GPS devices released by Garmin, DeLorme and Magellan have the ability to read GPX files directly, thus eliminating the need for a PDA.
Other methods include viewing real-time information on a portable computer with internet access or with a web-enabled smart phone.
The latest advancement of this practice involves installing dedicated applications on a smart phone with a built-in GPS receiver.
Seekers can search for and download caches in their immediate vicinity directly to the application and use the on-board GPS receiver to find the cache.
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