For fishing, there is enough water, fishing rod and bait, but for a really good professional fishing on a large pond, you need an echo sounder. If you really want to return with a standing catch, you need to know where to find this catch, and here, as it is impossible, by the way, the sounder with which you will find the fish will be useful, and you will not wander in vain.
If you decide to take fishing seriously, then you need a chart plotter. The chartplotter is your navigator on water reservoirs, the device with a multifunction display, which displays cartographic information. The chartplotter is equipped with a built-in or external GPS module, a connector for storing map information, and a computational unit. Thanks to this "stuffing", the device can perform many functions. First of all, the chart plotter displays the position of the vessel on the map, keeps track of the waypoints and the distance traveled. For fishing on a small river near the house, an echo sounder and a chartplotter is an extra luxury, but if you decide to go fishing on a boat or boat, to the Kakhovka or Kremenchug reservoir, or even to fish at sea, you will need both an echo sounder and a chart plotter.
If you buy an echo sounder and purchase a chartplotter, you can ensure successful fishing and do not get lost in the canals and thickets of reeds. The larger the pond and the more serious your intentions, the greater the need to buy an echo sounder. Serious fishing requires serious instruments and an appropriate approach. If you buy an echo sounder, then with this device you can find not only a fish jamb, but a separate fish.