I don't know about these other units, but my Lowrance Elite 5DSI takes me "dead on" to my waypoints. I manually installed about 100 waypoints from a website that provided the GPS coordinates of brush/pallets/stakebeds put out by the KDFWR. Then I took the unit to that lake & used the split screen (chart/sonar) to hunt down these "spots" ... just to see how accurate the unit was going to be. When lined up and moving towards the waypoint, and moving along under trolling motor power, I was able to put the boat icon right onto the waypoint icon (on the chart screen side) ... and the sonar image showed the planted cover coming on screen at the same time as the boat icon reached the waypoint icon. Dead on, every time !!
Now, I will say this .... you can "drift" off of the waypoint/cover, and the boat icon may take a few seconds to show that you're away from it. But, that's what marker buoys are for ... to keep your spot marked, in the event of wind/wave action or the process of fishing or catching a fish should happen to cause you to move off your waypoint mark/spot. However, once you get experienced & proficient at using the GPS function & map chart of a unit ... you "may" not even need marker buoys.
Most civilian use GPS's have a accuracy range of ~3-15meters (~10-50ft) ~95% of the time. But, so far, my E5DSI GPS has been more accurate than the low end of that range.
... cp![]()


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Randy Andres















