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Author Topic:   Garmin GPS Installation on Dauntless 180
bravocharlie posted 07-09-2005 11:36 PM ET (US)   Profile for bravocharlie   Send Email to bravocharlie  
There were several good posts regarding options for installing a Garmin GPS (3005C in my case) on the Dauntless. Of particular interest to me was the discussion regarding antenna placement. Thanks to those who provided input.

In addition to the Garmin 3005C, I also purchased a Garmin GDL 30 Marine Weather Satellite Receiver. I have to say that the weather overlay on the GPS is very cool and will be useful.

Garmin 3005C

Garmin GDL 30

XM Satellite Weather Data

The antenna installation was a major pain in the rump. I ended up taking the console railing off and doing it in my workshop. It should be noted that the GDL 30 antenna has a 50 ohm coax cable. The antenna for the GPS is just small gauge wire. The coax cable proved to be somewhat challenging when pulling it through. Be prepared to reattached a new coax fitting to the end of your coax cable since you'll have to cut off the one that comes preinstalled out of the box.

I drilled two small holes in the bottom of the rail to get the cables out of the rail at the bottom. I tried doing just one hole, but the coax was not cooperating. Then, one 3/8 inch hole through the center console to allow both wires to go through just above the fuse panel. I sealed around the cables with white silicon caulk.

I purchased two stainless steel antenna mounts from West Marine. I was pleased with their quality and fit.See: Hyperlink

The GDL 30 receiver was mounted in the upper left hand corner of the center console. Rather than drilling new holes, I drilled an additional hole in the receiver mounting flange and made it fit to the two screws coming through from the fishing rod holder. Those two screws alone provide a sturdy mount for the receiver.

Here are some photos of the completed installation.

NEXRAD data showing hurricane over Florida on 7/9/05
Data also shows water temperature, wave height, and pressure.

jimh posted 07-10-2005 10:51 AM ET (US)     Profile for jimh  Send Email to jimh     
[Converted links to hyperlinks; made some images in-line.]

Thanks for the informative article. The overlay of the weather is very cool!

bravocharlie posted 07-10-2005 05:54 PM ET (US)     Profile for bravocharlie  Send Email to bravocharlie     
Thanks for cleaning it up.
jimh posted 07-11-2005 08:16 AM ET (US)     Profile for jimh  Send Email to jimh     
Thanks for the information on this new technology.
Mike Brantley posted 07-11-2005 08:20 PM ET (US)     Profile for Mike Brantley  Send Email to Mike Brantley     
bravocharlie and jimh, thanks for the post and pictures. I am very interested in the Garmin networkable products for my boat. It looks like a very nice installation.

How much is the weather data costing you? I see more than one subscription package is available, but I don't know which is most appropriate or useful.

bravocharlie posted 07-12-2005 08:40 AM ET (US)     Profile for bravocharlie  Send Email to bravocharlie     
I chose the Fisherman package. It costs $29.95 per month. The subscription can be cancelled at anytime if you don't use your boat certain months of the year.
gf posted 07-12-2005 10:23 PM ET (US)     Profile for gf  Send Email to gf     

That's a nice clean installation. Pretty high tech set-up for an 18-footer!

Jim, are you now allowing embedded images? That would be great!

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