Using your Sounder and G.P.S. to catch you more fish
To many boat anglers their Sounder/Fish Finder is just a nice unit that tells them the depth of the sea bed and when there is a shoal of fish under the boat. The same anglers may also beleive that their G.P.S. is a unit that can help them find their way home and memorise where certain bottom features are. Many do not realise that a G.P.S. can actually help you catch fish! Rubbish I hear you say? Find out below. Your Fish Finder and G.P.S. are probably alot more powerful to the boat angler than you ever knew...
The Fish Finder
Anyone who owns a Fish Finder or is even considering owning a Fish Finder has a very good idea what the unit does. It is a small little box with a screen that scrolls right to left (or left to right in some cases) and displays the depth of the bottom. structures on the bottom also show up as a rocky formation and every so often a fish symbol will pass through the screen or even a shoal of fish symbols might pass. A simple instrument, but an instrument that must be fully understood be of any use to the angler. Firstly the whole idea of watching out for passing fish should be ignored! Madness you say? Well, no. All manuals that come with fish finders state that their cutting edge technology only picks up fish and not seaweed and floating debris. This simply is not true. THEY DO! Next time you are over a rocky bottom keep an eye out on the sounder for fish symbols. You will almost always find that the alarm is screaming but you are not catching any fish! This is because the sounder is picking up the seaweed on the rocks and relaying it back as fish. This is not to say that there are no fish there. Just don't be fooled. Indeed it is the rocky structures you should be using your sounder to find as these are the best places to hold fish and will often provide you with the numbers of fish when you are only catching a few elsewhere.  A feature on the machine often overlooked is the 'White Line' option. This feature is used to give the angler an idea of the density of the sea bed and will make it easier to see if the bed is mud, sand or mainly rock but it will also show up much more interference. Obviously this is important information to the angler when he considers what species he is targeting. Another important feature is the 200 khrtz and the 50 khrtz option. many Fish Finders today come as dual frequency sounders and can display both at he same time. However, the 50 khrtz produces a much wider arc of search than the 200 krtz which means that it is this option youshould use for general searching. The 200 khrtz is used for precision finding and produces a much smaller arc under the boat.  You should always remember that it is a 2D display that is trying to show you a 3D area. This basicly means that just because the sounder is showing you fish or rocks, it does not mean that they are directly beneath you. i.e. They could be left or right of you or they could be in front or behind you. The fish finder really comes into its own when used together with the G.P.S.
Whiteline on
Whiteline off
50 khrtz and 200 khrtz
The G.P.S. (Global Positioning System)
The G.P.S. is a very powerfull unit that is invaluable to both navigation and the safety of you and your crew. It lets you know where you are at all times and gives you the ability to tell others EXACTLY where you are. The ability to mark locations for later visitation and for later avoidance is one good reason to have this equipment but to the angler it allows him to mark locations where he considers to be hot fishing spots. This in itself is not enough to justify having one for the use of angling. The G.P.S. really comes into its own as an angling tool when used in conjunction with the Fish Finder.
Back to the Home Page Learn how to use G.P.S. and the Fish Finder together effectively