Carl and I also seem to agree about RF grounds, i.e., the traditional Dynaplate and copper foil solutions are unnecessary. There are other -- and perhaps better -- ways, including his own KISS-SSB radials product mentioned above. Alternatively, you can fashion your own, depending on your boat and your circumstances.
Can you elaborate? There are some very big conflicting opinions about this solution vs the traditional ones online.
Also, why is a tuner required in addition to the transceiver unit