Having Safe Adventures With Outdoor GPS
Posted: September 16th, 2011 | Author: GuestAuthor | Filed under: Outdoor Activity | Tags: Garmin GPS, geocaching, gps, hiking | No Comments »Has there ever been an instance where you found yourself wondering where exactly you are? If so you may concur a vague answer that does not completely solve the question. However, newer modern technology the question is easy to answer. The creation of the Global Positioning System (GPS) makes the ability to find your location quite easy… and accurate.
Basically the notion of the GPS navigation started centuries ago when the first explorer asked the question “Where am I?” But the GPS technology first came into view around 1950s’. This was first developed and made available for military purposes. The collaboration of the US Department of Defense, Massachusetts Institute of Technology (MIT) and Ivan Getting made this technological advancement possible. It originally had eight satellites orbiting the earth and was officially termed as Navigation System with Timing and Ranging (NAVSTAR).
In recent years, the world of GPS is comprised of 24 satellites that spin around the globe and will send down two signals in 24 hours presenting info on time and location. A Garmin GPSMap 78sc Handheld GPS Navigator and, for that matter, all handheld GPS receivers have the ability to present an exact location all throughout the earth on land or sea. A GPS receiver figures out the distance between the user and three satellites. When you need to know elevation levels, four satellites will be needed.
For those who love the outdoors and go tramping for adventures, a handheld GPS receiver is a must have. The device would help trekkers, boaters, pilots and even divers establish their exact location on the charts with just a simple push of a button and just entering the location into the memory. The GPS will guide them to where they are going and help them get back. An excellent GPS unit such as the Garmin GPSMap 78sc Handheld GPS Navigator and other latest GPS models should be able to display data in latitude and longitude, Military Grid Reference System (MGRS) and UTM (grid used by the Bureau of Land Management). The unit should have a tracking log that helps user retrace his step without difficulty. GPS receivers should also be highly sensitive to give an enhanced satellite reception even with heavy tree density or in deep canyons.
With outdoor GPS units, it is best to procure systems with a battery life that will last around 12 hours and this should encompass the combined use of compass and GPS. Such a unit must also be able to upload/download data to the hard drive and include a mapping system (A computerized one) while also displaying the information as visually clear as possible. The memory of the GPS should be able to store upwards of 500 waypoints.
Because a GPS unit will be exposed to all manner of different weather conditions and might have to endure rough handing, the casing needs to be rubber-made and durable. The backlights need to be strong enough so that the data can be read in low light or even pitch black scenarios. Garmin GPSMap 78sc Handheld GPS Navigator and other more modern GPS receivers have built-in electronic compass that can help determine where the user is and know the direction he’s heading even when standing still. There will be more features with the higher cost GPS units. Acquiring a decent GPS of any price is worth it since outdoor technological navigation makes outdoor adventures exciting, enjoyable, and safe.
Leave a Reply