NASA MARINE, Ais Engine 3

The AIS Engine 3 and a conventional marine antenna are all you need to start plotting vessels on your PC or AIS compatible plotter. There are several PC AIS plotting softwares available.

AIS transmitting vessels are shown on the screen can be selected and its AIS data displayed. This includes the vessels name, MMSI number, position, call sign and destination etc. Also included on the AIS Engine is an optional input for a GPS (RMC sentence). With this connected the users own vessel is shown on the chart with its latitude and longitude displayed in a window.

The unit can receive ships on either the A or B AIS channels. In default setting it alternates between the two channels.

The AIS engine can also be used with plotters or other PC software that have an AIS input facility. Check compatibility with your software supplier. An NMEA 0183HS input at 38,400 baud is required to accept the VDM AIS strings corresponding to ITU-1371.

Technical Specification

Operating frequencies – 162.025 and 161.975 mHz
Supply voltage – 10 to 16 volts DC
Supply current – 43mA
All class A and B AIS Messages relayed
Antenna input – 50 ohm BNC
Data connector – 9 pin ‘D’ type
Mounting – via two moulded flanges
Dimensions – 115 x 100 x 30mm
Output format – NMEA 0183 (38400 Baud)
VDM encapsulation string conforming to ITU-1371
NMEA RMC from GPS
Supplied with Software, fused power cable and data cable
(Various receiver parameters are factory preset but can be altered from the PC if software is available.)