**As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at time of purchase. A copy of the MMSI Registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form. **
WatchMate 850 AIS Transponder Nav Station Package
A complete package with everything you need to install the WatchMate 850 in your nav station
This package is designed for installing a AISWatchMate 850 Transponder in a nav station or wheelhouse and allows you to share a single VHF antenna between your AIS transponder and VHF radio. The package includes:
WatchMate 850 Class B Stand-Alone AIS Transponder
The Vesper Marine WatchMate 850, a fully standalone transponder with a 5" sunlight viewable screen is easy to use and loaded with features.
Engineered for ease of install and use, yet packed with comprehensive functionality, the WatchMate 850 is perfect when you want AIS that is robust, reliable and intuitive.
The built-in GPS antenna eliminates the need for another GPS antenna in most installations allowing you to just connect power, plug in a VHF antenna and your complete AIS system is installed. Alternately, share an existing connection to an antenna using our unique AIS splitter with ‘gain not loss’, or connect via NMEA 0183 or USB to show AIS data on your existing chart plotter or computer.
The unique target filtering function reduces clutter in busy locations by taking advantage of a collision avoidance display option which shows only those vessels on a collision course along with a graphical view of their crossing situation.
Sophisticated alarm management eliminates false collision warning alarms that plague chart plotters and other AIS displays.
Super-low power consumption allows you to leave the WatchMate 850 switched on at all times.
The high resolution backlit LCD screen is so intuitive that most users can operate “out of the box” without reading the manual. Large, backlit buttons make operation easy and fast
Complete Class B AIS Transponder
The WatchMate 850 is a Class B AIS transponder with a two channel parallel receiver and transmitter. It transmits your vessel position and details and receives the same kind of information from other vessels with AIS transponders.
The AIS data is sent every few seconds and includes information such as course, speed, latitude, longitude, and heading. Static information about the vessel is sent every few minutes and includes the name, type of vessel, length, beam, draft, etc.
Safety Features
WatchMate 850 has powerful safety features that help ensure the safety of your vessel and crew. Its safety features are similar to a smartAIS transponder but it doesn’t have WiFi.
The WatchMate 850 provides:
Safety Underway – Collision Avoidance
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 (CPA) and time until CPA (TCPA). 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. Bearings can alternatively be displayed in true or relative to your vessel's heading.
Prioritization - Vessels and alarms are presented in order of priority.
Intelligent Filtering - In crowded operating areas, the WatchMate 850 Transponder eliminates clutter by filtering out vessels with no collision risk.
Identify your "fleet" - Targets marked as members of your fleet are displayed with a special icon. Use this to indicate your friends or vessels you commonly work with.
CPA alarm - Triggers an alarm if a vessel will come too close.
Guard alarm - Sounds the alarm if any vessel comes within the specified range. Both CPA alarms and guard alarms may be used together for collision avoidance.
Increased Safety - Your safety is increased when offshore or in busy traffic areas.
Safety at night - When night falls or the weather is bad it is often difficult to see other vessel's lights or determine their direction. The WatchMate shows immediately which way the vessel is moving and will even plot the crossing situation.
Positive Identification - You'll have each vessel's name and call sign and others using AIS will also have yours. If you wish to call another vessel you will be able to ensure you are talking to the correct vessel. This is very important when operating in busy areas or in bad weather when visibility is reduced.
Safety at Anchor – Anchor Watch
The anchor watch enables you to mark where you dropped anchor and sounds an alarm if your vessel moves outside an adjustable circle. It provides a helpful visual indication of where within your anchor circle the boat is located along with distance and bearing to the anchor point.
Unlike any other product, when you have a heading input our anchor watch automatically corrects for the location of your GPS antenna on-board. This eliminates cumulative position errors and makes the WatchMate 850 the most accurate and useful anchor watch available.
Safety for your Crew - Man Overboard (MOB) alarm
The perfect companion for AIS Search and Rescue and Man Over Board devices, including the latest models. Sounds the alarm whenever an AIS-SART or AIS-MOB is triggered. Clearly identifies them on the display and provides continuous position updates as well as bearing and range to the SART or MOB
Integrated GPS Antenna
Includes a built-in GPS antenna that provides GPS data to the integrated 50 channel GPS receiver. This internal antenna allows for simple installation. However, if needed, an external GPS antenna connection is provided and an optional external antenna is available.
For best performance, the built-in GPS antenna requires a clear and unobstructed view of the sky. It usually works well when installed in a cockpit, under a non-metallic dodger or under a fiberglass hard-top. However, if you are mounting the WatchMate 850 transponder in a location which does not provide adequate GPS signal coverage (eg. near or obstructed by metal objects or "down below" at a nav station), we recommend using our external GPS antenna.
Direct Selective Calling (DSC)
You can use your WatchMate 850 to initiate an individual DSC call to any vessel displayed on your screen. This feature makes it easy to message nearby boats, requesting them to switch to a specific channel for a VHF call, without having to enter the other vessel’s MMSI number manually into your VHF radio.
The DSC feature works with any VHF radio that accepts the NMEA-0183 DSC sentence.
Features: