B&G HALO20+ Doppler Pulse Compression Radar

The HALO20+ Pulse Compression radar from B&G uses innovative VelocityTrack™ Doppler technology to instantly identify hazards at short and long distances. Thanks to its unbeatable rotation of up to 60 rpm, the 20" radar antenna offers a near real-time view for the best possible collision avoidance.

The ultimate view for collision avoidance
The HALO20 radar antenna delivers a full 360° sweep every second thanks to its maximum output of up to 60 rpm. These near real-time updates give you the ultimate view so that you can quickly and proactively avoid possible collisions. The Halo radar further convinces with crystal-clear images, which simplify navigation even in poor visibility and densely populated waterways.

VelocityTrack ™ Doppler technology built in
Improve situational awareness and reduce collision risk with VelocityTrack™ Doppler technology, giving instant, visual feedback on whether targets are coming towards you or going away. There's no need to manually select individual targets. The Doppler radar automatically checks every target in range. Possible dangers are marked accordingly in colour.

Main features at a glance

• 36 nm range
• Compact 20 "dome with integrated LED lights
• Advanced pulse compression technology with beam sharpening
• Dual Range operation detects dangers both near and far
• Ultra-fast 60 rpm operation with ranges of up to 2 nm
• VelocityTrack™ Doppler technology for optimal collision avoidance
• Easy to use with harbour, offshore, weather and bird modes
• MARPA target tracking (up to 10 targets, 20 in dual range).
• Can be used instantly from standby
• Supplied with 20 m radar cable and 1.5 m RJ45 to Ethernet adapter cable

Compatible with

LOWRANCE	SIMRAD	B & G
HDS Gen3	GO9 / 12 XSE	Vulcan
HDS carbon	GO7 XSR	Zeus²
HDS live	NSS evo2	Zeus³
Elite FS	NSS evo3	Zeus² GH
	NSO evo2	Zeus³ GH
	NSO evo3

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Pulse compression radars in comparison

	HALO 20	HALO 20+	HALO 24
Max. range	24 m²	36 m²	48 m²
Rotation	24 rpm	20-60 rpm	20-60 rpm
Dual range	No	Yes	Yes
Velocity Track (target colouring)	No	Yes	Yes
Beam sharpening	No	Yes	Yes
Sector Blanking	Yes	Yes	Yes
LED lighting	No	Yes	Yes
MARPA targets	Yes (10)	Yes (20)	Yes (20)

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Technical specifications

Voltage	9 - 31.2 V DC
Power consumption	17-29 W @ 13.8 V
Power consumption (standby)	3.9 W
Temperature range	-25 to + 55 ° C
Waterproof	IPX6
Dimensions	Ø 510 mm x H 223 mm
Max. relative wind speed	51 m / sec (100 knots)
Range	100 m to 36 sm
Minimum range	6 m
Rotation	20 - 60 rpm
Transmitter peak power	25 W
Refresh rate	700 - 2400 Hz
Bandwidth	Max. 48 MHz
Data cable	Ethernet
Max. length of the data cable	30 m