Garmin GPS : Garmin Streetpilot 2620 In-Car GPS Navigation
Date: Monday, September 27 @ 00:42:56 UTC
Topic: Car GPS, GPS Navigation
Garmin GPS : Garmin Streetpilot 2620 In-Car GPS Navigation Product Description:
Featuring pre-loaded, detailed maps of North America, this plug-and-play portable automotive GPS navigator lets you get started as soon as you take it out of the box, without having to deal with unlocking or uploading of data that the Garmin 2610 requires. The Streetpilot 2620's hard drive contains detailed maps of the entire United States plus some metropolitan areas of Canada, and features over five million points of interest, including lodging, restaurants, gas stations, and local attractions. You can also navigate to a specific address.
Its intuitive, color, menu-based touch screen features voice prompted turn-by-turn navigation and a powerful microprocessor for fast route calculation and map redraw. There's even a unique wireless infrared remote control, which allows easy operation of the unit from a distance.
Garmin makes accessories to help you integrate your GPS with your life and your priorities. Keep your GPS at the ready while protecting it from knocks and bumps is with a carrying case, that has space for your hookup cable and remote control. In the car, you'll appreciate the mounting options and clear reception afforded by the Garmin Magnetic or Suction Mount Antenna that will give you better satellite reception than if you only place your GPS on the dashboard. Using your GPS in more than one vehicle? The Garmin Dashmount is just the ticket, providing one temporary and one permanent adhesive mounting disc so you can move the unit back and forth between your cars.
The 2620's WAAS-enabled support provides the highest degree of GPS accuracy and it comes with a host of cool new features, including: Multiple Destinations, in which the 2620 can automatically sort out a selection of destinations and then determine the most efficient route. Road Segment and Area Avoidance, which lets you avoid bad traffic and road construction by letting you determine areas to avoid when calculating routes. Find Nearest on Route lets you limit searches for waypoints like gas stations and restaurants to upcoming points on your. And finally, the Adjustable Road Class Preference feature lets you adjust your preferences for major, medium, and minor road categories.
The StreetPilot 2620 sports a built-in patch antenna and MCX-type connector for optional external GPS antenna connection, a 305 x 160-pixel display with bright, automotive-grade 8-bit 256-color LCD touch screen, an alphanumeric remote control, a built-in photo sensor that adjusts the display for light conditions, plus data storage without any memory battery needed and a snappy integrated dash mounting system.
The WAAS difference
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.
- 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.
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.
What's in the box
The package comes with the StreetPilot, remote control, an external speaker with 12/24-volt adapter cable, PC/USB interface cable, A/C power adapter, integrated dash mount, and a portable 'bean-bag' (friction) mount.
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