Then we shrank it by 70% (AX2 :) Wayne
> On Sep 19, 2022, at 11:32 AM, Jim Brown <j...@audiosystemsgroup.com> wrote: > > Wayne is quite proud of that antenna design for its intended purpose, > walking/biking portable. We chatted about it at Visalia when his design was > still on paper. > > 73, Jim K9YC > > On 9/19/2022 10:53 AM, David Gilbert wrote: >> A comparison to any other antenna would be useful. A comparison to a 50 ohm >> resistor with a similar counterpoise wire would be even more useful as a >> baseline measurement. If anyone wants to lend me their AX1 I will do that. >> 73, >> Dave AB7E >> On 9/19/2022 10:33 AM, Ron Gruner wrote: >>> I've been impressed by how well my little AX-1 whip antenna performs on 20 >>> meters. Here's a photo of the rig: https://gruner.com/k4rhg/andover_ma.png >>> and the propagation map: https://gruner.com/k4rhg/wspr_2watts_sep16_2022.png >>> >>> A friend, Derek Rowell (AK1WI), gave me a two-watt WSPR kit he had designed >>> -- easy and fun to build. I connected the unit to the AX-1 sitting in a >>> window sill facing west and strung the out-of-the-box counterpoise over a >>> lamp shade and bed headboard. No idea what the SWR is, but it must be >>> pretty good. >>> >>> I immediately began receiving propagation reports and within 24 hours had >>> reports from 240 unique stations. The farthest was VK5ARG (17,276 km) with >>> a SNR of -21. Even though the window faced the west, propagation into >>> Europe was strong with SV9KI (7,800 km) reporting -26 SNR. The >>> propagation report is from http://wspr.rocks/ <http://wspr.rocks/> >>> >>> I've found that WSPR is a great way to evaluate antennas. The AX-1 seems >>> to be performing very well. >>> >>> 73, >>> Ron Gruner >>> K4RHG >>> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to n...@elecraft.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com