---------------------------------------------------------- AeroElectric-List Digest Archive --- Total Messages Posted Wed 09/23/15: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 09:12 AM - Re: Active VOR antenna (Hariharan Gopalan) 2. 09:58 AM - Re: Active VOR antenna (Robert L. Nuckolls, III) ________________________________ Message 1 _____________________________________ Time: 09:12:38 AM PST US Subject: Re: AeroElectric-List: Active VOR antenna From: Hariharan Gopalan Hi Bob Will this antenna design work on an all metal plane? A fiberglass wingtip is used though. Thanks Hari On Wed, Sep 9, 2015 at 10:26 AM, wrote: > > VOR antenna project update: > > I want to extend a big THANK YOU to all that helped with this project and > tell you it was a complete success! > > We have been progressing through Phase I testing and the non-standard > VOL/ILS antenna design is working splendidly. It is being used with a > Garmin 650 (internal splitter) and locks onto VOR signals from 100mi @ > 10,000=99 and has no problem at all with ILS capture either. It wa s made > from RG-58 coax and a short scrap of 22-AWG wire for the counterpoise per > the dimensions below. > > We are very pleased with it=99s performance and can=99t imagi ne that a > standard antenna would perform any better in this application. Testing > will continue to determine if there are any blind or degraded spots or > freqs. But for now, mark it up as a successful alternate design! > > Thanks again! > -James > Berkut/Race 13 > > > *From:* Robert L. Nuckolls, III > *Sent:* Thursday, June 04, 2015 5:26 PM > *To:* aeroelectric-list@matronics.com > *Subject:* Re: AeroElectric-List: Active VOR antenna > > > Jim, finished one of these and was disappointed in performance. > The thing is so tiny that it's hard to troubleshoot, > assembled a second just in case. > > I think the best plan-b for now is to install > a quasi-sleeve dipole . . . except that the 'sleeve' > is just a piece of wire. I forget how long you said > your antenna conduit was, hopefully considerably > more than 26". > > Make the antenna from wire stiff enough to push > into the tube on the end of the coax. Wouldn't > put a connector in the counterpoise. Just thread > it to the ship's interior on installation and tape > it sort out of the way. > [image: Emacs!] > I've got a couple other antenna projects on the bench > but some buys waving credit cards have purchased some > keyboard/hammer-n-tongs time . . . and I've got a couple > of pots boiling for B&C. I'd like to pursue the > active antenna experiment. It would be useful to field > test the idea in close proximity to transponder and > vhf/comm transmitters! > > In the mean time, let's get your airplane flying. > > Bob . . . > ________________________________ Message 2 _____________________________________ Time: 09:58:56 AM PST US From: "Robert L. Nuckolls, III" Subject: Re: AeroElectric-List: Active VOR antenna At 11:10 AM 9/23/2015, you wrote: >Hi Bob > >Will this antenna design work on an all metal plane? A fiberglass >wingtip is used though. No . . . suggest you consider a VOR tip antenna like this . . . http://tinyurl.com/qc9qyla Bob . . . ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message aeroelectric-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/AeroElectric-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/aeroelectric-list Browse Digests http://www.matronics.com/digest/aeroelectric-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.