Presentation by Odin Sletten (Navico UK Ltd) at the BMEA Conference 2010

1. Navico BR24 Radar Odin Sletten Technical Sales Engineer Navico Denmark

3. In 1935, The British invented and patented the first radar for aircraft defence

6. Blurs and distorts objects, making it difficult to interpret surroundings and navigate safely

7. Obscures objects closest to the boat, where visibility is most important for collision avoidance

8. Difficulty distinguishing targets from clutter - requires experience to safely operate

9. Inconvenient installation and operation

10. Magnetron takes several inconvenient minutes to warm up

11. Magnetron has a limited life, and is expensive to replace

12. Large cables and connectors

13. Power consumption is impractical for small boats and most sailboats

16. Radar is finally easy enough for a novice – identifies targets clearly with no ‘tune control’, as sea and rain clutter rejection is 5-10 times better than a pulse radar

18. © Navico Company Confidential 8 Comparison and Main bang main bang 4 kW HD pulse radar, 1/8 NM range BroadBand Radar, 1/16 NM range

19. © Navico Company Confidential 9 Comparison and Main bang main bang suppression 4 kW HD pulse radar, 1/8 NM range Broadband Radar, 1/16 NM range

20. © Navico Company Confidential 10 Close Range Performance

21. © Navico Company Confidential 11 Approximate position of boat Close Range Performance Moored boat Foot bridge 4 kW HD pulse radar Broadband Radar

22. © Navico Company Confidential 12 Superb Resolution Pile moorings Moored boat 4 kW HD Pulse Radar BroadBand Radar

23. © Navico Company Confidential 13 Seaclutter Performance Two boats, towing into the harbour 4 kW HD pulse radar, 1/2nm Sea clutter rejection 50% BroadBand Radar ¼ NM No sea clutter rejection applied

24. What makes the difference?

26. The pulse propagates outwards in a direction determined by the angle of the rotating radar antenna at the time of transmission.

27. The radar then switches to receive mode to listen for reflections.

28. If the pulse reflects off an object, it will return to the receiver with a delay proportional to the distance of the object from the transmitter.

30. Transmits a ‘rising tone’ (Tx wave) with linear increasing frequency

31. The wave propagates out from the transmitter retaining the frequency it had when it was transmitted

32. If it reflects off an object, it will return to the receiver, still at the frequency it had when originally transmitted

34. Unique Advantages

36. Eliminates 2-3 minutes warm-up time typical of magnetron pulse radars

37. Conserves power; operating power drain is ~30% less than the best 2 kW radar (<1/20 in standby mode) – extremely beneficial for sailboats and smaller power boats

42. Extremely low power - less than 1/10th of the transmitted emissions of a mobile phone; install in any position, even on the smallest of boats

46. Extremely low power - less than 1/10th of the transmitted emissions of a mobile phone; install in any position, even on the smallest of boats

47. Super small custom 13.5 mm RJ45 connector and round 9 mm pre-connected radar cable allows simple bridge tube installations

50. No blind spot at center (mainbang)

51. Totally safe, 0.1 W TX – install anywhere

52. InstantOn – no warm up time

53. Lower power consumption, no standby power

54. Five times better sea and rain clutter performance

56. © Navico Company Confidential 30 Long Range Performance Scanner height Target Object at sea level Small boat (2 m high) Big launch (6 m high) 2 metres 3.1 miles 6.3 miles 8.5 miles 3 metres 3.8 miles 7.0 miles 9.2 miles 4 metres 4.4 miles 7.5 miles 9.8 miles Maximum range for any radar under ideal circumstances: __________________________________________________________________________ So….. there is no possible way a radar on a small/medium boat can see a large launch at more than 10 miles But… It may be possible to see rain or high land features beyond 10 miles.

57. © Navico Company Confidential 31 Further Enhancement Navico’s R&D teams have developed technologies, which bring interference from other radar and onboard reflectors to a minimum or even totally eliminates them. This also means we are not depending on already patented technologies, which would have influenced the price of the radar.

59. 50% less than a 4 kW radar

60. Power consumption in standby is only 1.6 W

63. Easy to operate. No tuning or adjusting required

64. Very low sidelobe effects

65. Totally safe, 0.1 W TX – install anywhere

66. No magnetron that wears out over time

67. Easy to install – 9 mm cable and very small connector