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 Catalina/Capri 25/250 Sailor's Forums
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John Russell
Master Marine Consultant

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USA
3444 Posts
Initially Posted - 10/21/2007 :  19:59:42  Show Profile
I've been reading the GPS thread and rather than hijack it, I thought I'd start a similar but different question.

I, too, have been thinking about a GPS. I want one with chart capability although I probably won't travel too far afield in the near future but charts of Lake Erie will probbly be helpful. The problem, as I see it, is that the charts are only as good as the last update. As I've said in this forum before, I've been surprised by shifting sand bars.

Wouldn't we be better served with a simple fishfinder that will show the bottom? I assume that they can be set with alarms as well?
John Russell
1999 C250 SR/WK #410
Bay Village, Ohio
Sailing Lake Erie
Don't Postpone Joy!
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Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts
Response Posted - 10/22/2007 :  11:01:00  Show Profile
Yup--the fishfinder will give you a little better idea of why you just ran aground... I have one--Garmin's cheapest color model--and don't find it that much more informative than a simple depth reading. Realize that it's not a "picture of the bottom"--it's a continuously running graphic "tape" of the discrete readings, which runs at the same speed whether I'm standing still or on plane. It's better than nothing, but it might not be what some people expect.

The bottom line for me is I need both--the chartplotter more. Rocks are the issue here, and they move very infrequently. And the GPS shows me my route from here to there, how far to the next waypoint, what that navaid "over there" is (including the target on my radar screen), my speed, and did I say how to stay away from the rocks?
Edited by - Dave Bristle on 10/22/2007 11:09:10
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bear
Admiral

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USA
909 Posts
Response Posted - 10/22/2007 :  18:27:41  Show Profile
John I've had a Garmin 140 fishfinder for two years ago, has depth alarm, water temp,fishfinder and a display of the bottom. Depth alarm
went off much too much this summer resulting in a pre-Labor Day haul out.........
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ChrisandCheri
1st Mate

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USA
30 Posts
Response Posted - 10/22/2007 :  22:48:15  Show Profile
garmin498c-great prices now.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.