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GARMIN GPS Receiver Foretrex 201 Description

The GARMIN Foretrex 201 is a portable personal navigator for outdoor enthusiast. Strong built for adventure, the operative part of the wrist-top is perfect for travelers, campers, climbers and sailors who want a useful GPS in a lightweight package, waterproof and affordable.
The GARMIN Foretrex 201 combines the form factor of our new system of training personnel, the precursor of 201 GARMIN, with features for GPS navigation of our popular Geko 201.
The GARMIN Foretrex 201 offers hands-free GPS navigation, allowing you concentrate on your external activities.

The GARMIN Foretrex 201 features six dedicated buttons (GoTo, Page, Enter/Mark, Up, Down and Power), making it one of the GPS unit easier to operate on the market. It provides navigational data more essential, the increased accuracy of GPS and the wide registration for waypoints, reversible routes and track information.
Garmin includes' exclusive technology that allows TracBack s that mark your campsite, go trekking all day and then follows the electronic trail of bread crumbs; all'accampamento again in time for lunch.
You don't even need to worry about additional batteries of the packaging, because the GARMIN Foretrex 201 runs on an internal lithium battery for 15 hours.

GARMIN GPS Receiver Foretrex 201 Features

• WAAS-Enabled, 12 Parallel-Channel GPS Receiver
• 500 Waypoints With 20 Reversible Routes
• 10 Saved Tracks & 10,000 Saved Track Points
• Water-Resistant To Iec 60529 Ipx7 Standards
• Rechargeable Li-Ion Battery Offers 5-15 Hours Of Use (Depending On Backlight Settings)

Amazon.com Product Description

The Foretrex 201 is a wearable Personal Navigator, perfect for outdoor and marine enthusiasts who desire hands-free GPS navigation in a lightweight, affordable package. At a mere 2.75 ounces, this waterproof wonder is lighter than most watches, and its wrist-top mount frees up hands for outdoor activities and sports an ergonomic wristband. The 201 model comes with a recharging unit so you never have to stock up on batteries for all your daily adventures, but consider the Foretrex 101 that runs on 2 AAA batteries if you're wandering away from the power outlet for a while.

With a user-friendly interface, the rugged Foretrex 201 simplifies navigation, making it ideal for the backcountry or water. Its six dedicated buttons (GoTo, Page, Enter/Mark, Up, Down and Power) make it easy to operate. It offers the most essential navigation data -- enhanced GPS accuracy, extensive storage for waypoints, and reversible routes and tracks -- on an easy-to-read display. Don't worry about packing extra batteries, because the Foretrex 201 runs on an internal lithium battery for 15 hours (typical use). Simply recharge and go.

The Foretrex 201 also comes equipped with special features sure to please mariners and hikers alike. It includes a unique application for sailing and paragliding racers that allows them to configure the start sequence of a race. The countdown is displayed in a large-number format that audibly alerts the user at each phase of the start sequence. With the help of Garmin's exclusive TracBack® technology, hikers can mark a campsite, go trekking all day, and follow the electronic "breadcrumb trail" back to camp in time for dinner.

The WAAS difference

100 meters: Accuracy of the original GPS system, which was subject to accuracy degradation under the government-imposed Selective Availability (SA) program. 15 meters: Typical GPS position accuracy without SA. 3-5 meters: Typical differential GPS (DGPS) position accuracy. Less than 3 meters: Typical WAAS position accuracy.

WAAS is a system of satellites and ground stations that provide GPS signal corrections, giving you even better position accuracy. How much better? Try an average of up to five times better. A WAAS-capable receiver can give you a position accuracy of better than three meters 95 percent of the time. And you don't have to purchase additional receiving equipment or pay service fees to utilize WAAS.

How it Works
WAAS consists of approximately 25 ground reference stations positioned across the United States that monitor GPS satellite data. Two master stations, located on either coast, collect data from the reference stations and create a GPS correction message. This correction accounts for GPS satellite orbit and clock drift plus signal delays caused by the atmosphere and ionosphere. The corrected differential message is then broadcast through one of two geostationary satellites, or satellites with a fixed position over the equator. The information is compatible with the basic GPS signal structure, which means any WAAS-enabled GPS receiver can read the signal.

Who benefits from WAAS?
Currently, WAAS satellite coverage is only available in North America. There are no ground reference stations in South America, so even though GPS users there can receive WAAS, the signal has not been corrected and thus would not improve the accuracy of their unit. For some users in the U.S., the position of the satellites over the equator makes it difficult to receive the signals when trees or mountains obstruct the view of the horizon. WAAS signal reception is ideal for open land and marine applications. WAAS provides extended coverage both inland and offshore compared to the land-based DGPS (differential GPS) system. Another benefit of WAAS is that it does not require additional receiving equipment, while DGPS does.

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GARMIN GPS Receiver Foretrex 201 Features WAAS-Enabled, 12 Parallel-Channel GPS Receiver 500 Waypoints With 20 Reversible Routes 10 Saved Tracks & 10,000 Saved Track Points Water-Resistant To Iec 60529 Ipx7 Standards Rechargeable Li-Ion Battery Offers 5-15 Hours Of Use (Depending On Backlight Settings)

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