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Modern AIS SOTDMA transmitters are now allowed to transmit on four AIS channels. Previously there were only two AIS channels. AIS1 and AIS2 are at the very high end of the VHF Marine Band, at 162-MHz. AIS3 and AIS4 are at the low end of the VHF Marine Band, at 156.8-MHz. A proper antenna for...

Be careful with Class-A AIS. According to one source, a CLASS-A AIS requires connection to: --an external GNSS receiver --an external heading sensor --and external rate-of-turn sensor Cite: https://www.shinemicro.com/ais-overview/ You may find that without all those external sensors the...

I don't have any experience in long distance ocean cruising to offer. I do have a few observations. 1. I'd get the Fleming just on the basis of looks. They just look like long distance boats. Inference: it is fun to have a boat other people admire. 2. Many years ago while cruising inside...

Regarding the appearance of an MMSI in an international database: The International Telecommunications Union (ITU) has a website for look-up of information about ship station licensees. You can search for a ship on the basis of: --ship name --ship callsign --ship number --ship maritime mobile...

A Canadian citizen aboard a Canadian recreational boat operating in the USA would probably would need Canadian radio licenses, both ship station and operator's license. I don't think a Canadian citizen visiting the USA by recreational boat would need an FCC-issued Restricted Radiotelephone...

The discussion so far has only been in regard to an MMSI. There is more to being a citizen of the USA and operating a radio in a foreign country than the MMSI number of a DSC radio. In brief, in the USA you need a station license for a radio transmitter, unless that category of radio...