Posted: Fri Jul 06, 2007 6:25 pm Post subject: fish finders
whats the best fishfinder to use when downrigging for lake trout? I am assuming I want something that I can track my downrigger cannon ball with? any help or info would be greatly appreciated, I am a dummy when it comes to fishfinders
Joined: 10 Feb 2005 Posts: 75 Location: Diamond Springs
Posted: Tue Jul 10, 2007 3:20 pm Post subject:
I have a Lowrance 480 and it works great. It isn't color but it has good resolution. Also it has gps and can take hot maps memory cards that give you a topo map of almost every lake on the west coast. It's not top of the line for sure but it gets the job done. _________________
Joined: 07 Jun 2005 Posts: 185 Location: Kelowna,B.C. Canada
Posted: Tue Jul 10, 2007 7:47 pm Post subject:
Heyyyyyyyy: When I was puting together my new boat package I choose a Lowrance LMS-480DF. with built in GPS for the same reasons. Top quality, big bang for the buck. Don't thimk you can go wrong with a unit like this.
I fish a lot of lake trout in the east, and the answer to your question will depend on a number of factors. The primary question to answer will be "how much can you afford to spend"? One of the other questions will be, how deep will you be fishing and what is the cone angle of the depth finder you will want to use.
I fish lake trout as tight to the bottom as I can get, so the downrigger is being constantly adjusted. If the downrigger is mounted on the stern of the boat and you fish alone, this can be a real pain. If the unit is mount midship the weight may be in the cone angle at greater depths, but the boat becomes difficult to turn with the wind blowing.
Depending on your speed, weight of the downrigger ball and the cone angle of your depthfinder will determine if you will see the weight on the depthfinder screen.
If you are considering moving into or have an electric downrigger you may want to consider a Humminbird that you can link to a Cannon Mag 20. A number of different models have the ability to link up with a Cannon.
I use a Humminbird 937cDF linked to a Cannon Mag 20. This gives you the ability to operate the downrigger from the dipthfinder control panel.
I had a Cannon Digi-Trol IV on the rear of my boat that I removed and traded down to the Mag 20 which I am happy with. the other side of the boat is a Big Jon that is used for suspended fish.
Back to the depthfinder. Like the previous post, if you are going to purchase a new unit I would not consider a unit that did not have a GPS on it.
A number of things need to happen while fishing to consistently catch fish, and one of them is the ability to control your speed for the presentation of the lure or bait. With a GPS in you depthfinder, you now have that ability.
To me it is one of the most important variables.
Hope some of this information helps.
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