Tag Archives :Class A

Class A AIS transponders (SOLAS Compliant) operate using Self-Organizing TDMA (SOTDMA) broadcast mode and transmit at a power level of 12.5 watts.   Dynamic information is transmitted every 2 to 10 seconds while underway and every 3 minutes while at anchor. Static and voyage related information, such as the vessel’s name and cargo, are transmitted every 6 minutes. Class A AIS transponders are required to have a DSC (156.525 MHz) receiver, external GPS, heading  ...