Wednesday, 16 September 2009


This is the information you will receive on each vessel.

I have been an advocate of the AIS system since I first found out about it a few years back,the basics say all vessels over 350 tons must have it installed,this then gives out a constant signal such as the boats name,heading,speed and call sign number,plus what it may carry too.The transciever is an exppensive item but for yachts persons a reciever only can be quite low cost,the lower the cost,the less you get and with the bottom end units you will need either a plotter,radar or PC to display the information.

We have been asked to source a AISWatchMate and we expect to see some arrive in this country soon,you will still require a transponder/receiver and we now recomend the Icom MXA-5000 which will work well with the Watchmate,for more info read below.

We can ship either the Watchmate or Icom MXA-5000 world wide,please contact me on pricing at

Target Plot Provides a radar-like display of all vessels within the selected range. The display is oriented heading-up so it's very easy and natural to interpret. Dangerous and lost targets are readily identified.

Graphical Plot Shows Crossing Situations Shows the relative position of a target vs. your vessel at the closest point of approach. This provides a graphical view of the crossing situation and clearly indicates whether a target will pass ahead or behind.

CPA and TCPA Computes the closest point of approach and time until CPA. Alarms may be based on these and other factors.

Bearing and Range Computes the bearing and range to each vessel. Bearing can be displayed in magnetic to facilitate easy visual identification using your compass and binoculars (requires magnetic variation data supplied by GPS). Bearings can alternatively be displayed in true or relative to your vessel's heading.

Prioritisation Vessels and alarms are presented in priority order.

Filtering To minimize clutter and false alarms, vessels can be filtered from either display or alarms.

CPA alarm Triggers alarm if a vessel will come too close. Full control of alarm parameters.

Guard alarm Sounds alarm if any vessel comes within the specified range. Both CPA alarms and guard alarms may be used together.

External alarm trigger In addition to the internal alarm, an external buzzer, alarm, or signal light can be interfaced without requiring any additional relays (max 2A).

Consise and easy to read displays
Uncluttered easy to read display shows all available AIS data.

Class A and class B Displays AIS data received from all class A and class B transponders.

Safety messages Displays received AIS Broadcast Safety Messages. These messages may contain important safety, navigation, weather, or shipping information.

Aids to navigation Full support for AIS aids to navigation including off-position and virtual aid indicators.

GPS failure alert Alerts you if your GPS stops working.

Transponder monitoring When coupled with a transponder it will alert you if the transponder has an operational problem, such as transmission failure.

Large backlit LCD Adjustable daylight viewable backlit 125mm (5") LCD.

Easy to use Four buttons control all features. Each button is clearly labeled on-screen. Buttons are backlit for night time use and illumination brightness is controllable. Each setting has on-screen help.

Ultra-Low power consumption Designed for minimal power consumption the AISWatchMate is extremely well suited for energy conscious vessels.

External interface Easy interfacing to optional computers, chart plotters or other devices.

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