The following image shows the main unit with a transducer: How Fish Finders Work Heres the step-by-step detail of how fish finders work: Transmission of Ultrasonic Waves: The fish finder operates using a transducer
30", 5 hoops, 1 1/8" square mesh, #15 twine, 7 ft long HNN-3011 $ 199.00 per Net, for 3 or more $ 189.05 per Net These hoop nets come with new, virtually indestructible Nyglass hoops
In this case I had been flipping the end of the fishing rod in hopes of removing a loop of line that had looped around the tip top
In lakes that have a big spotted bass and largemouth population, I really like to use a big worm
Garmin GT12M-THF Thru Hull 0-Degree Transducer, 8-Pin The Garmin GT12M-THF is a flush mount thru hull transducer with a 0-degree tilt, suitable for vessels with a deadrise of 0-7 degrees