Correct, in my experience, raising any practical vertical from ground mounted even up to 10 ft off the ground and using drooping radials does it much good.
73, 72 Todd WD0T ----- Original Message ----- From: "Leigh L. Klotz, Jr." <[EMAIL PROTECTED]> To: "Mark Saunders, KJ7BS" <[EMAIL PROTECTED]> Cc: <elecraft@mailman.qth.net>; <[EMAIL PROTECTED]> Sent: Monday, March 20, 2006 11:00 PM Subject: [QRP-L] Re: [Elecraft] Wow, antennas really do matter > The stock PAC-12 does pretty well; in the HFPack tests it was less than > 1dB down from a 16' wire with a single elevated radial on 20M. > The MP1 performed similarly. I would expect the Buddistick that > Elecraft sells to be in similar territory. I don't think that the > loading coil is a big issue, at least on 20M. > > At the last AmTech day (http://www.am-tech.info) I worked Japan on 20M > with 10W SSB and my K2, no problem. It's a good quick DX antenna, with > the low angle of radiation you expect from a vertical. > > Kristen K6WX has done some experiments with the PAC-12 coil, radials, > and elements and discussed it at AmTech day , and reported that raising > the high current point by putting more aluminum rod below the coil and > using 3-wire (instead of 2) and longer radials to reduce ground loss > does more for getting out than spacing the coil out. Pacific Antenna > sells additional rods, or you can make your own with a tapping tool and > rod from the hardware store. I imagine that Budd and Vern have similar > things going, so I think no matter what short vertical you choose, > you'll have plenty of options to experiment. > > Leigh / WA5ZNU > > Mark Saunders, KJ7BS wrote: > > Ok, I've read about the PAC-12 antenna and I'm almost convinced to get/build > > one. > > > > It's a short vertical, right? > > What is its performance? > > It's got to be a compromise, right? > > Would a larger coil diameter with wider spacing between the winds improve > > performance? > > > > Mark Saunders, KJ7BS > > Glendale, AZ > > ================================================================= > > > > <SNIP> > > > > Leigh WA5ZNU convinced me to build a PAC-12 antenna early on, but > > I never had much luck with it. It doesn't work in my back yard > > at all... I brought it to our cabin a couple of times and couldn't > > figure out what I was doing wrong. I could hear "OK", but no one > > could hear me. > > > > <SNIP> > > > > 73 de chris K6DBG > > _______________________________________________ > > > > > > > ______________________________________________________________ > QRP-L mailing list > Home: http://mailman.qth.net/mailman/listinfo/qrp-l > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[EMAIL PROTECTED] > > ______________________________________________________________ QRP-L mailing list Home: http://mailman.qth.net/mailman/listinfo/qrp-l Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[EMAIL PROTECTED]
