Handheld GPS units, which combine a radio receiver and a microprocessor, measure the tiny differential between when a satellite signal is transmitted and when it’s received. They then calculate the distance from the satellite to the GPS. Handheld GPS receivers also have longer battery life and are built to resist the elements. Handheld GPS units can come typically with 1 to 16mb of storage for data. Some newer models allow for additional storage cards to be added.
Garmin has incredible variety and options in the handheld field. The Garmin GPS Map 60cs comes with a full color screen easily read in a variety of lighting situations and long on battery life. Garmin charges for their software and locks it city versions to only one GPS unit.
Magellan marine global position system is commonly used to provide the position of the tail buoys relative to the absolute position of the seismic vessel, with meter-level accuracy. This technology involves a high-speed UHF bi-directional data link along with a high-grade GPS core, which is part of our know-how and is available to system integrators. Magellan has a wide range of choices for handheld GPS receivers and recently announced a new handheld GPS product line. Available in several different flavors, the Triton features a QVGA touch screen, waterproof case, and the top model even has an integrated 2-megapixel digital camera.
Handheld GPS systems use a network of satellites that are already in orbit over the earth to relay information to your GPS system. This will enable to pinpoint your exact location at the time as well as map out how to reach your destination safely. Handheld GPS devices are in high demand from the likes of bikers, travelers, hikers and skiers. The performance of the models can vary, depending on what database and software is installed.
Discount handheld GPS units are perfect for casual hikers who fear becoming lost. Most enable the carrier to retrace a person’s steps to go back to the beginning of their hike. Discount handheld GPS are a better option against the traditional maps.