again, check with the wife. Sent from my iPad
> On Jun 9, 2020, at 11:39 PM, Frank C Richards <[email protected]> wrote: > > I used the wrong terminology when I was speaking about antenna system > grounding on a boat. What I actually meant was a counterpoise system. > I agree that a vertical dipole works well but would be difficult to install > permanently > on a small boat. A vertical is most often used with a tuner. There are > standard mounts > and they are pretty easy to install and are sturdy and well suited for > marine use. > I also agree that all structures should be bonded to the counterpoise > system. > Some of the boat builders(Hatteras ,Bertram .etc) would put copper screen > into > the fiberglass layups of the flying bridge decks and roofs with a stud > connected > to it so that it could be tied into the system. > On commercial trawlers the antenna would be mounted on the mast about 30 or > 35 ft above the water.It was fed with a wire about 25 or 30 ft long so it > was > actually a 55 or 60 ft end-fed. > With the outriggers lowered and acting as radials, the trawl doors and > cables in the > water and everything else bonded together, it is a pretty good counterpoise > system. > > 73, Frank KB4VU > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
