AIS Receiver
4 Docs
I cannot display AIS targets
Last Updated: September 15, 2025If you encounter an issue with AIS showing on your display (navigation software or chart Plotter) then you should follow this procedure. 1 – Issue with a Chart Plotter/VHF Radio If you cannot display AIS targets on your Chart Plotter or VHF radio, then follow this: If you have connected your AIS to your...
I don’t have a good AIS range
Last Updated: September 15, 2025AIS Transmission/Reception depends on the AIS Class A Class B AIS transponder transmit at 2 watts whereas a Class A Transponder at 12.5 watts. The Class B+ SOTDMA transponder transmits at 5 watts. This difference in power has a huge impact on the transmission range of each transponder. For a Class B AIS transponder,...
Which VHF antenna for an AIS?
Last Updated: September 15, 2025One of the most common questions we are asked by our AIS customers, is “what antenna should I use for my AIS ?”, so we thought we would post a short article to provide an answer on VHF Antenna Options for AIS. Basically there are two VHF antenna options for AIS; fit a second dedicated...
AIS + VHF Antenna Separation
Last Updated: September 15, 2025The AIS system works on two channels in the VHF frequency range and in order to receive or transmit AIS information it is necessary for the AIS unit to be connected to a VHF antenna. One option is to fit a VHF splitter such as our SPL2000, which allows both the VHF radio and the...