Geocaching Power Trails
I’m lucky enough to spend a lot of time with a brand-new geocacher. This gives me a lot of perspective on what the newest of the new cachers know and what they don’t know. (And sometimes that is surprising!)
So when I was chatting with Code Wolf today about today’s geocaching article, the subject of a “power trail” came up and he asked me to write an article about it.
Now, there are people who love power trails since they can rack up a bunch of finds in a short amount of time. And there are people who think that scooting down a 10 mile long road grabbing a cache every quarter mile is just silly.
A power trail is loosely defined as a series of caches laid out along a roadway. They are usually a series of PNG caches with cache sizes being small or micro. There are some power caches that are 50 or more caches along a single route!
Guest Author: Intro to GPS
This is a guest article about how a GPS works. It was written by RJ Stapell, of High Trail Expeditions, who I met at the Overland Expo 2012.
The GPS System
The GPS navigation system currently maintained by the U.S. Department of Defense consists of:
The GPS system is based on line of site transmission from the satellite to the GPS receiver. A GPS handheld or vehicle-mounted receiver requires a strong signal from a minimum of 4 satellites in order to accurately report the receiver’s position, speed and direction of travel. The GPS signal from the satellite can be adversely affected by:
11 years ago • Guest Author, Terms • Tags: GPSr, guest author