Chartplotter in fiberglass pod? - SailNet Community
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post #1 of 7 Old 03-03-2013 Thread Starter
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Chartplotter in fiberglass pod?

I was going to get a fiberglass pod for my Garmin GPSMap 425 chartplotter.

It has an internal antenna.

Someone told me that the fiberglass would prevent the chartplotter from effectively receiving satellite signals .

Does anyone have any insight into this?

Thanks.

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Last edited by flyingwelshman; 03-03-2013 at 11:07 AM.
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post #2 of 7 Old 03-03-2013
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Re: Chartplotter in fiberglass pod?

Vaguely remember the instructions for our SH 180i recommending an optional external antenna when so installed... But try it.. you'll know soon enough. Is there an external antenna input?

Ron

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post #3 of 7 Old 03-03-2013
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Re: Chartplotter in fiberglass pod?

Quote:
Originally Posted by flyingwelshman View Post
I was going to get a fiberglass pod for my Garmin GPSMap 425 chartplotter.

It has an internal antenna.

Someone told me that the fiberglass would prevent the chartplotter from effectively receiving satellite signals .

Does anyone have any insight into this?

Thanks.
Why install a plastic box in another, expensive, plastic box?
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Re: Chartplotter in fiberglass pod?

When we bought ours, we had a small pod on the pedestal for an autopilot control head.. The mount supplied with the unit would not have allowed horizontal swivel movement, and I wanted to 'point' the plotter at the steering position on either tack.

I couldn't find a mount that would work, so made my own. This could easily be adapted to the pedestal tubing using ubolts and a saddle of some sort. An hour's work with leftover epoxy and scrap cloth..


Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)

Last edited by Faster; 03-03-2013 at 12:12 PM.
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post #5 of 7 Old 03-03-2013
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Re: Chartplotter in fiberglass pod?

Quote:
Originally Posted by flyingwelshman View Post
I was going to get a fiberglass pod for my Garmin GPSMap 425 chartplotter.

It has an internal antenna.

Someone told me that the fiberglass would prevent the chartplotter from effectively receiving satellite signals .

Does anyone have any insight into this?

Thanks.

Hereas our old C-8- chartplotter installed in a navpod. Our new one ( the old was hit by lightning) is the same set up has an internal antaennae and is not affected by the navpod at all in terms of reception. Since I had an extrenal Raymarine 125 antannae insurance also replaced that in the strike coverage, but I dont use it as the new chartplotters have internal ones.






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Re: Chartplotter in fiberglass pod?

My E7 is also in a pod. Love it! Internal antenna gets a fix in a few seconds after I power it up.
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post #7 of 7 Old 03-03-2013
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Re: Chartplotter in fiberglass pod?

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Originally Posted by svHyLyte View Post
Why install a plastic box in another, expensive, plastic box?
I agree with this. I mounted my plotter on one of those "snap on" plastic pedestal mounts. It allows me to swivel the plotter toward whichever side of the cockpit I'm sitting on. I wouldn't be able to see it well from the side if it were in a pod. Cost about $20. Like the Edson mount only saved $150.
I also think you'll have a problem if you enclose the antenna. They don't even work well under a bimini, right?

Mark Smith
1977 C&C 30 Mk 1 hailing from Port Clinton, Ohio
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