GPS Plotter / Fishfinder

GPS Plotter & Fishfinder for boats

GPS plotters and fish finders are part of the central navigation and locating technology of modern boats. They combine precise GPS navigation with echo sounder technology to display water structure, schools of fish and positions. Whether coastal cruising, inland areas or sport fishing - modern chart plotters and sonar systems significantly improve orientation, safety and fishing opportunities.

Sportnav GPS Plotter & Fishfinder 7-inch Sportnav GPS Plotter & Fishfinder 7-inch
Sportnav GPS Plotter & Fishfinder 7-inch
article nr.09920

Sportnav SPO27F - Compact GPS chartplotter with fishfinder

  • 4.3" color display - Integrated GPS receiver - Dual-frequency fishfinder

368,98 EUR / Set
incl. 19% VAT
Lieferung Wed 05. Aug - Mon 10. Aug 2026 **
24 months statutory warranty
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GPS plotters and fishfinders - navigation and echo sounder technology for boats

GPS plotters and fish finders are essential components of modern marine electronics. They support skippers with navigation and enable anglers to precisely locate fish stocks and display detailed water structures. Modern systems combine satellite navigation, digital nautical charts and sonar technology in a central on-board unit.

GPS plotter - digital navigation on the water

A GPS plotter is a navigation system for boats that combines GPS position, nautical charts and route planning. The position, course, speed and waypoints can be displayed precisely using the integrated chart material.

Typical functions:

  • Digital nautical charts and chart display

  • Route planning and waypoints

  • Position and course display

  • Integration with on-board networks (e.g. NMEA systems)

  • Connection of additional marine sensors

These systems increase safety and facilitate navigation on inland waters, coastal areas or open sea areas.

Fish finder - echo sounder for underwater analysis

Fish finders use sonar technology to make structures under water visible. Signals are transmitted and reflected via an echo sounder, allowing depth, bottom structure and schools of fish to be displayed.

Typical areas of application:

  • Localization of fish stocks

  • Visualization of bottom profiles

  • Depth measurement

  • Structure and obstacle detection

For sport anglers, modern sonar systems provide an important basis for analyzing waters and fishing zones.

Combination devices - GPS plotter with integrated fish finder

Many modern devices combine GPS navigation and fish finder in one system. These combination devices enable the simultaneous presentation of map material, boat data and sonar images on one display.

Advantages

  • Central control of navigation

  • Fewer devices on board

  • Simple integration into existing on-board electronics

  • Clear display of position and water structure

Selection criteria for GPS plotters and fish finders

Several factors should be considered when purchasing a marine navigation system:

  • Display size and readability

  • Compatible nautical charts and chart systems

  • Sonar technology and transducer

  • Network and interface capability

  • Area of use (inland, coastal, offshore)

A coordinated selection ensures reliable navigation and a precise representation of the underwater world.