1) Coordinated activity
Found on
https://www.crosswordclues.com/clue/geocaching
Geocaching ŋ is an outdoor recreational activity, in which participants use a Global Positioning System (GPS) receiver or mobile device and other navigational techniques to hide and seek containers, called `geocaches` or `caches`, anywhere in the world. A typical cache is a small waterproof container containing a logbook (with a pen or pencil...
Found on
http://en.wikipedia.org/wiki/Geocaching
Involves hiding a cache (a stash of goods and a log book) in a remote location and recording its location using a GPS unit. The coordinates, along with a few helpful hints, are then posted on a website for other GPS-wielding geocachers to look up and then hunt for a modern day treasure hunt.
Found on
http://www.americantrails.org/
Searching for items using a handheld GPS, a method of orienteering first only US based, now in the UK.
Found on
https://www.encyclo.co.uk/local/23307
No exact match found.
