Support
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Welcome to Technical Support for your Magellan GPS products. It is our goal to provide the highest level of support possible to ensure your satisfaction.
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Repair Request?
All product returns require a clearly marked (outside of package) Return Authorization (RA) number. Please submit an online Repair Request to receive an RA number and shipping instructions. Or Contact Technical Support. Please note: shipments received without an RA number may be returned to the sender with a bill for return shipping.
Product Support & Updates
Find information about discontinued products dating back to 1995 on the Legacy Products page.
Top 5 Support Question and Answers
Q: My GPS receiver will not accept Latitude Longitude coordinates.
A: Change the coordinate system from Deg/Min/Sec to DDD MM.MMM.
Q: My GPS receiver does not acquire satellites.
A: Check the initial position, time and date displayed in the GPS to be sure they are correct. Initialization can take up to 10 minutes with a clear view of the sky.
Q: Why does my GPS receiver show I'm moving when I'm standing still?
A: The GPS satellites may on rare occasion broadcast a signal error (Selective Availability) that can account for up to 2.5 mph of movement.
Q: What is Selective Availability (SA)?
A: SA is an intentionally introduced degradation in the accuracy of civilian GPS by the United States Department of Defense. SA errors can degrade the GPS accuracy up to 100 meters. However, this error is adjustable and random. Typically, errors of 30 meters or more are not unusual. Now that SA has been removed, typical GPS position accuracy is approximately 15 meters (50 feet).
Q: What is differential GPS (DGPS)?
A: Differential GPS allows the user to overcome the effect of SA interference, correct for other GPS errors and increase the overall accuracy of the GPS receiver. With DGPS, one GPS receiver is placed at a known location and the position information from that receiver is used to calculate corrections in the position data transmitted by the satellites. This corrected information is then transmitted to other GPS receivers in the area. The resulting real-time accuracy is in the 10-meter range. Sub-meter accuracy can be obtained by using DGPS and post-processing calculations in static positioning. A separate DGPS receiver is required.
