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Posts: 71
Location: Waukesha, WI | Can you help me correct this? My position on the water does not match my position on my Lowrance X-15. As I boat down a shoreline, I can watch the screen and see my bread crumb trail go right down the land. A second problem is that the WASS is frequently lost and them comes back. I don't think that causes the trail to be in wrong place, because when the WASS is on the trail is still over the land on the GPS map. The GPS receiver is about 1 foot in front of the console and the windsheild is low and shouldn't be blocking the receiver. What can I do about these 2 problems; especially the problem of being in the wrong location on the map. I worry about hitting reefs when my location is incorrect. I called Lowrance, but they had no suggestions. I wasn't surprised that Lowrance was no help. When I bought the GPS it came with built-in software that was obsolete. It couldn't work with the wrong software. When I called Lowrance, the lady told me that Lowrance was not responsible for the problem because "Lowrance is only the distributer". I returned that GPS.
Edited by Lunkerhunter 8/25/2004 4:07 PM
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Posts: 32954
Location: Rhinelander, Wisconsin | Who did you speak to at Lowrance about this issue in service? Lowrance is a top shelf company, and will do ther best to rectify your problem, but it amy take an additional effort to find someone who can answer what's happening with this unit. | |
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Posts: 5874
| I think what is happening is that you have the Navionics HotMaps. Some of these maps are right on, and some are not. The inaccuracies are a result of several causes. One, they used old data in the conversion. Two, the conversion algorythm is not perfect. Get a map with either, or a combination of the two, and you may be several hundred feet, or even yards, off. This is not a Lowrance problem.
Also, WAAS is still in it's infancy, and all the satellites are not up yet. They need to put more up in the northenr part, as the ones we can see from up north here are low on the horizon. They can be blocked by standing in front of them. Not a big issue, unless you haven't disabled that annoying alarm. Also not a Lowrance peroblem.
Make note of the screen that pops up when you turn on the unit. Not to be used for navigation. My LOTW map is off by a few hundred feet. I mainly use it for general location, and rely on my MNR map.
The X-15 you had last year at Sab Bay had old firmware. It was a unit that had been on the shelf at Gander for some time, and had 1.20 firmware. Should have easily been upgraded to the latest version, but I didn't have my MMC reader, and we couldn't get an internet connection to go do it. I got mine from Thornes. They opened the unit, powered it up, and made sure it shipped with the latest firmware.
If you need help before leaving tomorrow, give me a call, and bring the unit over. I'll get you set up. | |
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Posts: 71
Location: Waukesha, WI | Thanks for the help, Shep.
Gene | |
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Posts: 1023
Location: Lafayette, IN | One thing I'd like to add to Shep's comments....
Continue to use your GPS religiously to mark hazzards and safe routes as you navigate them on your favorite lakes. That info will always be worth the money you spent on your GPS even if you're not satisfied with your current basemap. I have added about 150 waypoints simply marking the outside weedline of my favorite lake so as I set up for casting or trolling there is little left to guessing even though the shoreline may not correspond to my actual location on the water. I've tested "My" waypoints and routes a half dozen times and they remain "right on the money". That's what I really bought the GPS for anyway. It's also real handy for getting around on Lake Vermilion for general navigation even though I'd never trust it for avoiding hazzards unless I'd created waypoints marking a specific hazzard myself. Keep working with it. It's a great tool.
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GPS Problem