Quantum2 Q24D Radar Antenna
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Introducing the Raymarine Quantum 2 radar with anti-collision Doppler technology. Raymarine's next generation CHIRP Quantum 2 Pulse Compression Radar better locates targets at both long and very short range.
Using advanced Doppler processing, the system immediately highlights radar contacts and differentiates them with colors to indicate whether they are approaching or moving away. Quantum with Doppler allows you to distinguish potentially dangerous objects when navigating in high traffic areas.
Main features The Doppler view of the moving target allows for greater situational awareness at a glance
Fully automatic ARPA target tracking, plus MARPA manual mode
The adjustable TrueTrails target history shows the history of moving contacts in motion
CHIRP pulse compression detects contacts from at least 5 meters away when navigating in zero visibility
24-mile range for early detection of traffic, navigation aids, landings and weather conditions
Instant awareness: Quantum starts up and is ready to use in seconds
Excellent interference rejection eliminates noise caused by radar transmissions from other vessels
Simplified installation with Wi-Fi or fine wire network connectivity
Easy to upgrade: Quantum 2 uses the same bolt arrangement as other Raymarine scanners
Lightweight and easy to install: Quantum weighs up to 50% less than similar magnetron radar
Safe emissions: mount Quantum anywhere on board
Low power consumption for longer battery life when sailing
Easily identify dangerous targets 
The Doppler processing of targets in Raymarine Quantum 2 easily identifies and distinguishes radar contacts by color allowing them to be recognized immediately and to reduce the risk of collision.
DOPPLER TARGET PROCESSING Doppler radar is specifically tuned to detect the change in frequency of echoes returned by moving and stationary targets.
The Quantum 2 then distinguishes moving targets with colors to indicate whether they are approaching or moving away.
Approaching targets are red.
Moving away targets are green.
Color-coded targets make it easier to spot traffic in motion among other stationary targets such as land, navigational aids, and stationary or anchored vessels.
AUTOMATIC TARGET ACQUISITION AND MONITORING The Quantum 2 acquires and tracks targets fully automatically. You can configure security or alarm zones and receive alerts for new radar contacts entering them. The Quantum 2 automatically starts tracking these contacts and calculates their course, speed, closest approach point and much more. Dangerous contacts are signaled with audible warnings and easy-to-understand on-screen graphics.
The Quantum 2 also features the new Raymarine chronological view of the True Trails of the targets. The True Trails feature allows you to see a historical "trail" behind each moving contact. This additional information makes it even easier to interpret the movements of other boats and make smart maneuvering decisions to pass safely.
HOW THE RADAR DOPPLER WORKS The microwaves of energy bounce off a distant target, just like in conventional radar.
Moving targets return an echo whose frequency is greater or less than what was originally transmitted.
For approaching targets, the frequency increases, as the rising edge of the returning echoes is received more frequently as the distance to the target decreases.
For retreating targets, the frequency decreases, as the returning echoes are distributed as the distance increases.
Doppler radars are designed to detect these small changes in wave frequency and use them to classify moving targets.
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