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post #1 of 4 Old 03-07-2006 Thread Starter
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anchor alarm

Hello every body,
Can any body give me a tip of an anchor alarm, so I can sleep at night?
Thanks in advance
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post #2 of 4 Old 03-07-2006
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Most GPS units will have an anchor alarm feature. It may tend to false warnings when you swing, but a small price to pay...

Tom
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post #3 of 4 Old 03-07-2006
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as sailingfool said, most GPS unit have this feature with a programmable threshold for movement. If you get a GPS with "differential" they're very accurate. I forget what the manufacturers advertise but I've cruised by nav aids entering locals areas and my gps unit (a Furuno) showed the navaid a few feet from the boat when it was in fact "a few feet" from the boat.

I have not had to rely on it in the fog but after seeing it perform I would trust it.
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post #4 of 4 Old 03-08-2006 Thread Starter
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Thanks for the reply, but my GPS unit does not have this feature, with a programmable threshold for movement, is a Magellan colortrak.
I was thinking more on a mechanical type of alarm.
thanks
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