I did not use a switch. They are both permanently connected at the feedpoint. 73 Art NK8X
On Thu, Oct 20, 2016 at 12:09 PM, Marc Wullaert ON4MA < [email protected]> wrote: > Hello, > > Do you use a switch for this antenna? Of you use the same feedpoint? > > > 73 > Marc on4ma > ----- Original Message ----- From: "Art Snapper" <[email protected]> > To: "160" <[email protected]> > Sent: Thursday, October 20, 2016 3:16 PM > Subject: Re: Topband: inv. L > > > I had a few hours free yesterday afternoon, so I began the dual 80/160 >> radiator inv. L project. >> >> In the process, I found that water had entered the coaxial center >> insulator >> that was used at the feedpoint of the antenna. >> >> Does anyone have a favorite solution for a weatherproof, coaxial feedpoint >> for this type of antenna??? >> >> The radials are attached to several load center ground bars, that are >> screwed into a copper pipe that is driven into the ground. >> >> The pipe gives me a rigid mounting point for some kind of insulator or >> standoff. >> >> BTW, after a temporary fix, I ran some quick SWR tests. There appears to >> be >> very little interaction between the elements. At least from an SWR >> perspective. >> >> de Art NK8X >> >> ᐧ >> >> On Mon, Oct 17, 2016 at 11:16 AM, Art Snapper <[email protected]> wrote: >> >> I was considering adding a second vertical element to my 160 inverted L. >>> This one would be roughly a quarter wave tall for use on 80. >>> >>> I tried modelling in Eznec, but wasn't comfortable with the results. I >>> may >>> have screwed it up. >>> >>> Has anyone tried it for real? Is it a big compromise on either band? >>> Would >>> a switch at the feedpoint have any benefit? >>> >>> My inverted L has about 50 radials. >>> >>> 73 >>> Art NK8X >>> _________________ >>> Topband Reflector Archives - http://www.contesting.com/_topband >>> >>> _________________ >> Topband Reflector Archives - http://www.contesting.com/_topband >> > > > --- > Dit e-mailbericht is gecontroleerd op virussen met Avast antivirussoftware. > https://www.avast.com/antivirus > > _________________ Topband Reflector Archives - http://www.contesting.com/_topband
