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Old 08-28-2018, 07:42 PM   #15
Dougcole
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City: Carrabelle, FL
Vessel Name: Morgan
Vessel Model: '05 Mainship 40T
Join Date: Jan 2008
Posts: 2,162
I'm not so good with radar, so take my experience for what it is worth (not much). But I recently switched from an old conventional raymarine 24" dome to a Garmin GMR digital 18". I also updated MFD's etc.


I wasn't real happy with the new radar at first, it wasn't finding targets like I thought it should, though it was much better than my old radar with stuff that is close to the boat, and the colors sure are pretty.


It really kind of burned me when we were crossing the stream on a clear day and it wasn't picking up a cargo ship 8 miles away that I could see clearly with the naked eye.


Eventually though I started messing with the gain and other settings and it got way better. It does a good job showing rain squalls, which is the main thing I use radar for.


Picking up birds, like for tuna fishing? Not my set. Maybe a bigger more powerful dome.
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