This is especially useful when pulling weighted lines, either snap weights or lead core. So, something that actually measures your water speed would be useful in this situation. Now it's 2 mph minus 2 mph of current and your bait is moving at zero mph (water speed). Now turn around and troll toward the dam at 2 mph ground speed (GPS). Your baits are going 4 mph (water speed). You are actually trolling at 2 mph ground speed plus 2 mph current. Your GPS, ground speed says you are trolling at 2 mph and you are trolling toward the mouth of the river or into the current. For example, let's say you are trolling in a reservoir that has a river coming into it and the dam is letting water out at the same rate it is coming in.įor this example let's say that the current is flowing at 2 mph. Speed over ground is your speed referenced as if you were going over the ground. Whether their claims are bogus or not, or whether I clearly understood their claims or not, I got the advice I was seeking. I admit to be confused about: "GPS "speed over ground" measurements do not account for the effects of tide and current flow on lure action." Many anglers customize the large readout dial with tags to highlight target speeds for specific lures and/or techniques." Measuring accurately to within 1/10 of a knot, precision control can be provided to all your presentations. ![]() The Luhr Speed troll speed indicator operates on a simple, mechanical measurement of speed that accounts for the exact conditions your lure is running in. GPS "speed over ground" measurements do not account for the effects of tide and current flow on lure action. Speed measurements via on board electronics leave a lot to be desired. Within your fisheries, you'll find sweet spots in troll speed for all your applications, and with precise measurement, you can fish more effectively, more often. Just have to watch out you don't go to fast. I have had some portable fish finding units with a suction cup mount. ![]() To find the spots where I caught fish in open water on the ice. I use it for marking good spots for fishing. If you could put a link to where this says. They work the exact same way as a dish on your house. Is with clouds.Or knocking you over from a gust. The only way it could mess with a signal. I have never even heard of wind bothering a unit. I have relied on hand held GPS for a long time.
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