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Marine Product Guides > Marine Radar Guides >

Raymarine Radar Tutorial

Marine Radar

NEW Quantum Radar | Radomes | Open Array Radar Antennas

Day and night systems from Raymarine keep you aware of surrounding traffic, hazards, rain sea birds and much more. From compact and lightwight digital radomes, to ultra-high performance Super HD Color open arrays, Raymarine has the perfect radar solution for every boat.

Radar Products

Technology and software - what's the difference? Raymarine has 4 different types of radar antenna:

NEW Quantum
CHIRP Pulse Compression


8 Colour resolution


HD Colour
256 Colour resolution


SHD Colour
256 Colour resolution




Marine Radar Features

Raymarine radar delivers unmatched performance and ease-of-use

Raymarine's HD color technology brings radar users the power of digital signal processing with a truly adaptive transmitter and receiver that automatically adjusts to changing environmental and sea conditions.

Raymarine Radar Chart Display | Raymarine

Chart view with corresponding radar overlay

Radar display

Raymarine Weather Advantage | Raymarine

Weather advantage

Raymarine's HD color scanners provide superior all weather performance allowing you to still see targets through rain and thunderstorms. Use radar to track weather too.

During this abnormally heavy rain storm (see left hand image), rain mode was used to cut the clutter to clearly reveal the targets (see right hand image).

Cut the clutter

Detect targets at very close proximity to your vessel, or at very long ranges to see distant vessels, land features and even weather fronts. Distinguish targets through even the heaviest rain clutter.

Use the radar to see the weather coming, then use the radar overlay to map the weather pattern onto the chart.

Radar - Cut the Clutter | Raymarine

Track Targets

Not everything transmits AIS!

Using MARPA* (mini-automatic radar plotting aid) allows you to identify vessel, speed, bearing, closest point of approach (CPA) and time to closest point of approach (TCPA), dangerous/proximity alarms, overlay AIS info for further target clarification.

*For the best radar overlay and MARPA performance fit a smart heading sensor or an SPX autopilot course computer.

Track Targets Step 1 | Raymarine

Target (1) has been aquired (red circle overlay) using MARPA and is being tracked by your radar. Speed and bearing of the target are shown and the target's heading is shown as a thin red line at 65º (2).


Track Targets Step 2 | Raymarine

The tracked target has now moved into the previously set guard zone around your vessel and has triggered the dangerous target alarm, seen on screen, and set off an audible alarm


Track Targets Step 3 | Raymarine

The alarm has been acknowledged and the target's (1) (now overlaid with a red triangle to note possible danger) closest point of approach (CPA) to your vessel is shown on screen as 0.376nm (3) and time to closest point of approach (TCPA) is 4 mins 20 secs (2).




Digital, HD Color, Super HD Color Radar

Raymarine radar - What's the difference?

Marine Radar Scanners | Raymarine 

Digital Radar Image | Raymarine 

Digital radar

Offers 4kW capability for improved performance and uses digital processing for increased target definition. Digital reduces the cable size (compared to analogue) and makes an easier interface to larger systems.

Available models: Digital Radome

HD Color radar

Raymarine's HD color radar utlizes powerful signal processing technologies that help distinguish between target types, detects weak and distant contacts automatically, while virtually eliminating clutter and noise. The truly adaptive transmitter and receiver automatically adjusts to changing environmental and sea conditions. HD color radar delivers a dramatically clearer radar picture with crisp, well-defined contact echoes and a life-like target presentation.

Available models: HD color Radome and HD color Open Array

HD Digital Radar Image | Raymarine 

Super HD Radar Screen | Raymarine 

Super HD color radar

Super HD color radar is a giant leap in leisure marine radar. Using highly advanced digital signal processing, Super HD color radar has much greater dynamic range than conventional radar enabling the digital receiver to acquire and process vast amounts of echo information that is normally lost by conventional analogue radar systems. Super HD Color technology intelligently isolates and identifies true radar targets, while simultaneously eliminating unwanted clutter. The extra-narrow beam width pinpoints targets with stunning clarity. The result is a dramatically clearer radar display.

Available models: Super HD color Open Array

Digital vs HD color

Features Digital vs HD Digital Radar

HD color targets are clearly defined compared to the standard Digital image.

HD color vs Super HD color

Features HD Digital vs Super HD Digital Radar

Super HD color reveals even more detail than HD color. The Super HD color image shows that there are actually two targets in the ringed area, whereas the same targets on the HD image appear as one.














Radome or Open Array Radar Antenna?

When building a Raymarine Radar System you have your choice of either Open Array or Closed Radome scanner. Both Radomes and Open Arrays are fully compatible with every multifunction display and deliver unparalleled performance.

  Radome Antennas | Raymarine Open Array Scanner | Raymarine
Radar Type Raymarine Digital and HD Color Radomes Raymarine HD Color & Super HD Color
Open Array Radar
Compatible with gS-Series Glass Bridge
eS Series Multifuction Displays
e-Series Multifunction Displays
c-Series Multifunction Displays
a-Series Multifunction Displays
Models 4kW
18in or 24in (45cm or 61 cm)
4kW and 12kW
4ft or 6ft (1.2m or 1.8m) models
Perfect for Sailboats | RIBs | Smaller Powerboats Powerboats over 50ft (15.4m)
Appearance Light weight and compact Narrow horizontal beam widths for enhanced target separation
Power Minimal power consumption Increased power output for improved long range performance
Additional Information Fewer Mounting Restrictions Longer Range Scales
Quiet Operation
  • Lower receiver noise figure (less than 5 dB) for more efficient target echo reception compared to competitive models
  • Auto GST™ Fully automatic Gain, Sea Clutter and Tune Control for hands off operation and optimum performance
  • Advanced microprocessor controlled transmitter receiver features eight Pulse width/PRF settings, providing enhanced targets returns though every range scale



**The price is subject to change at anytime without any notice.  We are not responsible for any typographical errors.  Any products can be cancelled from sale at any time.

** All Products sold here are Brand New unless specified Otherwise and come with Full Manufacturer's Warranty

WarningWARNING: This product can expose you to chemicals including Di-n-hexyl Phthalate (DnHP) which is known to the State of California to cause reproductive harm, and Vinyl Chloride which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov. __________________________________________________________________________________________


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