Ais For Small Vessels, Inland Navigation And Dgps Use

摘要

Saab TransponderTech has intro-duced a new Class-B AIS transponder for smaller non-SOLAS vessels.The R4B is being introduced to the maritime market to meet the new IEC 62287 performance standard for Class-B AIS.rnThe R4B transponder transmits its GPS position coordinates,course and speed over ground,vessel name,call sign,type and size through a VHF data channel to all AIS-equipped vessels in the area.The R4B also receives data from all Class-A or-B transponders in the vicinity for display on an electronic chart system or plotter.