Marine Electronics Journal - July/August 2010

Raymarine RD424HD
Raymarine’s HD Digital radome scanners
combine the power and clarity of HD Digital
signal processing with an ultra-compact
scanner suitable for all types of vessels. Com-
patible with C-Series Widescreen, E-Series
Classic, E-Series Widescreen and G-Series
multifunction displays, the RD424HD offers
a 256-color radar display and a clear
lifelike presentation.

Simrad BR24 Broadband Radar

www.raymarine.com
Rad a

Avoiding vessels and other obstructions.

Furuno 1835/19x5 As with many of Furuno’s radars, the 1835/19x5 comes standard with the ability to display up to 100 simultaneous AIS targets when an optional AIS receiver is connected. Adding the optional ARP11 enables the radar’s 10 target ARPA (Automatic Radar

Lowrance BR24
Broadband Radar

The BR24 Broadband Radar provides excellent target definition and separation in close quarters. With range resolution of less than 3 meters, the BR24 eliminates close-in vessel blind spot (main bang), resulting in clear and detailed views of surroundings to a 1/32 nautical mile range scale. The radome transmits at 1/20,000 the power of traditional radar (less than 1/10th the energy of a cell phone) and emits no harmful radiation outside the dome, allowing for flexible installation on a vessel. Other features include advanced clutter rejection, which virtually eliminates tuning; rapid cold start and InstantOn from standby, which eliminates time-wasting warm-up; and low power consumption.

Compatible with the Simrad GB40 integrated helm and NX40 and NX45 multifunction displays (MFDs) and all Lowrance HDS 5, 7, 8 and 10 inch MFDs, the BR24 provides an effective 24 nm range and supports chart overlay and display networking. The compact 18 inch radome weighs 16. 3 pounds and has an easy-to-route 0.5- inch-diameter scanner cable. Drawing 17 watts during operation (1.6 watts standby), the radome has an operating temperature range of - 25 to + 55 degrees Celsius.

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Plotting Aid). A target can be shown in a zoom display while its detailed movements are tracked by AIS or ARPA. A conventional zoom function is available as well. These radars also feature true color targets and utilize different colors according to target strengths, which helps discriminate target echoes from clutter.

The 10. 4 inch color LCD display tops a list of features. Furuno’s True View is a display mode based on the Head-Up mode with a smoothing effect added. It eliminates any delay in picture update when you make a quick turn. The radar image is smoothly rotated and follows quick heading changes even between the sweeps. In True View mode, there is no time lag between the radar image and what’s happening on the water around the boat.