Hello A Your message below indicates that the RF isn't being radiated for the benefit of your fellow hams, but is being absorbed by your household devices!! This is a good indication that your antenna is not working efficiently and that Lou's original radiating antenna worked somewhat better than the current commercial compromise equivalents! Dave (G3YX) I think you wrote below <[log in to unmask]>, Anthony Vece <[log in to unmask]> writes >Hi Dave; > >I also use a modern G 5 R V. > >It is coaxial fed. > >In order to get it to tune above 20 meters, I use a device that M F J >manufactures. > >It adds inductance in the line. > >Its called an "auto tuner extender". > >It has an eight position rotary switch. > >However, even though I can tune up on ten meters, the R F is awful and I >have to tune everything off in my shack. > >The R F make my computer work all by itself and my speech chip in my T M V 7 >A just starts announcing the frequency that the radio is set to. > >Hope this helps. > >73 DE ANTHONY W2AJV >[log in to unmask] >PS. I have a good grounding system also. > > >----- Original Message ----- >From: "David W Wood" <[log in to unmask]> >To: <[log in to unmask]> >Sent: Wednesday, October 10, 2001 2:03 AM >Subject: Re: Audible Power Meter > > >> Hello Lou >> >> I am surprised that an auto ATU is coping with the G5RV, but if it works >> then fine. >> I would be interested to hear if you are getting a good match on 21 megs >> with it? >> As I have mentioned on this list before, the modern commercially built >> G5RV antennas are not as Lou Varney designed them, but have been >> modified to meet modern commercially available wire. He also described >> a matching system specifically for his configuration - before coax was >> available in amateur circles. >> >> >> I use a noise bridge between my t/rx and amp, and use resonant antennas >> where I can and then use home brew pi LC circuits of the usual form of >> two variable capacitors and a roller inductor. >> >> Tuning achieved by one of the RF Applications audible meters. >> Incidentally, I was talking to a U.S. ham here in London at the weekend >> and he uses one of these also, so it isn't just us blinkies who use >> them, maybe RFC haven't got their marketing right! >> >> By the way, I have two which will cope with up to 3 kW! >> >> 73 de Dave - G3YXX -- David W Wood