[Elecraft] Elecraft AX-1 Whip Antenna
David Gilbert
ab7echo at gmail.com
Mon Sep 19 13:53:49 EDT 2022
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
>
>
> --
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