There was a time that the only way campers who got lost could make it out of the wilderness was by using a compass. This device doesn’t run on batteries, it works by aligning itself with the magnetic field of the earth.
Nowadays, something much better is available. This is the global positioning satellite receiver that can tell the exact location of the user and how to get back home. This device is much bigger than the compass but given the performance for the military, it is no wonder that consumers are buying this for personal use.
The question then is, which of these two are better? People who decide to use a compass have to be trained in navigation. Together with a map, plots are set so the group will be able to stay on course.
It takes time to learn this so those who are impatient won't be going on any camping trips. Fortunately, you can still go thanks to the wonders of GPS. This device has an onboard computer. It will do all the navigating so all you have to do is glance at the screen while walking through the woods. The more advanced units have voice alert systems and a touch screen pads.
There are two problems with having a GPS.
Both of these instruments can work in almost any weather condition. But the user may not get signals from satellites up in space because of the landscape. This is similar to how cellphones work in certain places. When this happens, it becomes useless. The only thing to do is to keep walking until it has been reestablished.
Second, these things run on batteries. It doesn’t do any good to bring this along if the device wasn't charged and it dies suddenly. There is no place to plug in the charger so everyone is screwed.
What of the two is the best then? There is no definite answer to this one. It has pros and cons but people who go hiking often suggest that campers should always bring both. If the high tech version doesn't work, there is always the reserve.
It will take time for rescuers to find the group and having these as part of the equipment will increase the chances of getting out alive. Both are available in specialty stores and online. These should be checked to ensure they are working properly.
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