Topband: Fishing beacons redux

[Tom W8JI]

> Guys, there is alot more circuitry in that buoy than a simple dumb 
> transmitter.

If those are claimed to be a crystal control simple dumb transmitter, they 
are not.

The pictures they have posted are of synthesized transmitter frequency 
remote programmable transmitters, just like the link I posted. They have 
multi-tone controlled receiver inside on the marine 2.3 MHz band.